复合形式: A | a | 
| a nose for [sth] nnoun: Refers to person, place, thing, quality, etc.  |  figurative (instinctive ability to detect [sth]) | 对…有灵敏的嗅觉 
  | 
|   |   | 对…嗅觉灵敏 
  | 
|   | He has a great nose for good books. | 
| a number of nplplural noun: Noun always used in plural form--for example, "jeans," "scissors." |  (some, several) | 一些  yì xiē | 
|   |   | 许多  xǔ duō | 
|   |   | 很多  hěn duō | 
|   | He has broken the rules a number of times. | 
| a piece nnoun: Refers to person, place, thing, quality, etc.  |  UK, regional (a distance, a way) (路程) | 一段,一小段 
  | 
|   | The farm is down the road a piece. | 
| a piece of cake nnoun: Refers to person, place, thing, quality, etc.  |  figurative, informal ([sth] easy to do) | 小菜一碟  xiǎo cài yì dié | 
|   | The new software installation was a piece of cake, no problems! | 
| a piece of the action nnoun: Refers to person, place, thing, quality, etc.  |  informal (involvement, participation) | 参与其中 
  | 
|   |   | 从中获利 
  | 
|   | If I'm to help you, I want a piece of the action. | 
a piece of work,  a real piece of work nnoun: Refers to person, place, thing, quality, etc.  |  US, informal, figurative (unusual character, individual) | 与众不同的家伙 
  | 
a piece of work,  a real piece of work nnoun: Refers to person, place, thing, quality, etc.  |  US, figurative, informal (unpleasant, difficult person) | 难搞定的人 
  | 
|   |   | 难相处的人 
  | 
|   | Tommy's a real piece of work; I heard he blamed his mistake on the boss. | 
| a posteriori advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (law, logic: from experience) | 来自经验地  lái zì jīng yàn de | 
|   |   | 凭经验地  píng jīng yàn de | 
| a priori adjadjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house."  |  (hypothetical, deductive) | 假定的  jiǎ dìng de  | 
|   |   | 推理的  tuī lǐ de | 
| a priori advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (by deduction) | 通过推理  tōng guò tuī lǐ | 
|   |   | 通过演绎  tōng guò yǎn yì | 
| a priori adjadjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house."  |  (accepted without question) | 假定的  jiǎ dìng de  | 
|   |   | 未经质疑便接受的  wèi jīng zhì yí biàn jiē shòu de | 
| a quarter past exprexpression: Prepositional phrase, adverbial phrase, or other phrase or expression--for example, "behind the times," "on your own." |  (time: fifteen minutes after) (时间,比如三点一刻) | …过一刻  guò yí kè | 
|   | He arrived at a quarter past nine. | 
a quarter till [sth],  a quarter 'til [sth] (US),  a quarter to [sth],  quarter to [sth] (UK) exprexpression: Prepositional phrase, adverbial phrase, or other phrase or expression--for example, "behind the times," "on your own." |  (15 minutes before the hour) | 差十五分钟到…(点) 
  | 
|   | I'll meet you at a quarter till one... in the afternoon, of course. | 
| a quarter to exprexpression: Prepositional phrase, adverbial phrase, or other phrase or expression--for example, "behind the times," "on your own." |  (time: fifteen minutes before) (时间) | 差一刻到…  chà yí kè dào … | 
|   | It's almost a quarter to five; we're running late. | 
A road,  A-road nnoun: Refers to person, place, thing, quality, etc.  |  (main traffic route) | 主干道  zhǔ gàn dào | 
|   | A motorist was caught doing almost double the 70-mph limit on an A road in Worcestershire. | 
| a shell nnoun: Refers to person, place, thing, quality, etc.  |  figurative (weakened person) (人状态欠佳) | 空壳,躯壳 
  | 
|   | He is just a shell of his former self. | 
a smidgen,  a smidgin,  a smidgeon nnoun: Refers to person, place, thing, quality, etc.  |  (tiny amount) | 一点点  yì diǎn dian | 
|   |   | 一丁点  yì dīng diǎn | 
|   | If you're asking about the cake, I want just a smidgen. | 
a smidgen,  a smidgin of [sth],  a smidgeon of [sth] nnoun: Refers to person, place, thing, quality, etc.  |  (tiny amount of [sth]) | 一点点  yì diǎn dian | 
|   |   | 一丁点  yì dīng diǎn | 
|   | She added a smidgen of cinnamon to the pie. | 
a smidgen,  a smidgin of [sth],  a smidgeon of [sth] nnoun: Refers to person, place, thing, quality, etc.  |  figurative (tiny amount) | 一点点  yì diǎn dian | 
|   |   | 一丁点  yì dīng diǎn | 
|   | It's a cliché, but there's a smidgen of truth in it. | 
| a sobering thought nnoun: Refers to person, place, thing, quality, etc.  |  (reminder of harsh reality) | 令人警醒的念头 
  | 
|   | It's a sobering thought that thousands of graduates will never find a job. | 
| a stone's throw nnoun: Refers to person, place, thing, quality, etc.  |  figurative, informal (short distance) | 掷石可及的距离 
  | 
|   |   | 一箭之遥 
  | 
|   | The distance from our house to hers is a stone's throw. | 
| a stone's throw away exprexpression: Prepositional phrase, adverbial phrase, or other phrase or expression--for example, "behind the times," "on your own." |  figurative, informal (nearby) | 在…附近  zài … fù jìn | 
|   |   | 在近处  zài jìn chù  | 
|   | We can easily walk to Martha's house; she lives a stone's throw away. | 
| a stone's throw from adv + prep |  figurative, informal (near) | 离…一箭之遥 
  | 
|   |   | 离…不远 
  | 
|   | The shop is just a stone's throw from my house. | 
| a tall order nnoun: Refers to person, place, thing, quality, etc.  |  figurative (challenge, demanding task) | 过高要求  guò gāo yāo qiú | 
|   | It is a tall order to win the competition. | 
| a thing of the past nnoun: Refers to person, place, thing, quality, etc.  |  informal ([sth] obsolete) | 过去的事情  guò qù de shì qíng | 
| A thousand pardons exprexpression: Prepositional phrase, adverbial phrase, or other phrase or expression--for example, "behind the times," "on your own." |  ironic (Please excuse me.) | 一千个抱歉 
  | 
|   |   | 请原谅我 
  | 
|   | A thousand pardons for my telling you the truth. | 
| a tidy sum nnoun: Refers to person, place, thing, quality, etc.  |  informal (large amount of money) | 一大笔钱  yí dà bǐ qián | 
|   |   | 巨大款项 
  | 
| a time nnoun: Refers to person, place, thing, quality, etc.  |  (a period, a while) | 一会儿  yí huì er  | 
|   |   | 一段时间  yí duàn shí jiān  | 
|   | Come and sit with me for a time. | 
| a ton of nnoun: Refers to person, place, thing, quality, etc.  |  figurative, informal (large quantity) | 很多  hěn duō | 
|   |   | 大量  dà liàng  | 
|   | I have a ton of work to do this week. | 
| a ton nnoun: Refers to person, place, thing, quality, etc.  |  UK, regional, slang (speed: 100 miles an hour) (速度) | 100英里/小时 
  | 
|   | Bill was doing a ton on the motorway, when he got pulled over by the police. | 
| a wealth of [sth] nnoun: Refers to person, place, thing, quality, etc.  |  figurative (abundant amount of [sth]) | 充裕  chōng yù | 
|   |   | 丰富  fēng fù | 
|   | There's a wealth of reasons why you should stay. | 
a wee bit,  a wee bit of [sth] nnoun: Refers to person, place, thing, quality, etc.  |  UK, informal (small amount) | 一点  yì diǎn | 
|   | I'm not much of a drinker but I'll have just a wee bit of whisky. | 
| a wee bit advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  UK, informal (little, slightly) | 有点,略微 
  | 
|   | Mexican food is a wee bit spicier than I'm used to. | 
| a while ago advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (short time in the past) | 不久前  bù jiǔ qián | 
|   |   | 前不久  qián bù jiǔ | 
|   |   | 前段时间 
  | 
|   |  (口语) | 前些日子 
  | 
|   | A while ago I went on vacation to Cancun. | 
a whole new ball game,  a brand new ball game nnoun: Refers to person, place, thing, quality, etc.  |  US, informal, figurative (changed situation) | 完全不同的情况 
  | 
|   | That puts matters in a different light.  It's a brand new ball game now. | 
| a whole new world nnoun: Refers to person, place, thing, quality, etc.  |  figurative (unfamiliar experience) (比喻义) | 一个全新的世界,一个崭新的世界 
  | 
|   | Retirement is certainly a whole new world; there's so much to get used to. | 
| A word of advice interjinterjection: Exclamation--for example, "Oh no!"  "Wow!" |  (I warn or recommend the following) | 一句忠告 
  | 
|   |   | 一个建议 
  | 
|   | Just a word of advice -- don't plant peas in Wisconsin in March, whatever the books may say! | 
| a word to the wise nnoun: Refers to person, place, thing, quality, etc.  |  colloquial (giving warning, advice) (口语) | 明白人用不着多说,聪明人一点就明白 
  | 
|   | A word to the wise: do not visit this neighborhood alone after dark. | 
| a world of [sth] nnoun: Refers to person, place, thing, quality, etc.  |  figurative (a great amount of [sth]) | 数不清的  shǔ bù qīng de  | 
|   |   | 相当多的  xiāng dāng duō de  | 
|   | There is a world of difference between their politics. | 
A-1,  A1,  A-one adjadjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house."  |  informal (excellent, top quality) | 一等的  yì děng de  | 
|   | The customer service at the store is A-1 quality. | 
| A-bomb nnoun: Refers to person, place, thing, quality, etc.  |  abbreviation (atomic bomb) | 原子弹  yuán zǐ dàn | 
|   | The U.S. detonated the first A-bomb near Alamogordo, New Mexico. | 
| A-line adjadjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house."  |  (garment: wider at hem) (衣服) | 呈 A 字型的 
  | 
a.k.a.,  aka,  A.K.A.,  AKA. preppreposition: Relates noun or pronoun to another element of sentence--for example, "a picture of John," "She walked from my house to yours."  |  acronym (also known as) | 也叫做  yě jiào zuò | 
|   |   | 又称为 
  | 
|   | William H. Bonney, a.k.a. Billy the Kid, was 19th-century American outlaw. | 
a/c,  A/C,  AC nnoun: Refers to person, place, thing, quality, etc.  |  abbreviation (air conditioning) | 空调  kōng tiáo  | 
| a/c nnoun: Refers to person, place, thing, quality, etc.  |  UK, abbreviation (account) | 账户  zhàng hù | 
AAA,  triple A nnoun: Refers to person, place, thing, quality, etc.  |  US, initialism (American Automobile Association) | 美国汽车协会 
  | 
AD,  A.D. advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  Latin, initialism (anno domini: year) | 公元  gōng yuán | 
|   | The Roman Emperor Domitian ruled Britain briefly in 271 AD. | 
|   | 公元271年,罗马皇帝图密善曾短暂统治英国。 | 
AF,  A.F. nnoun: Refers to person, place, thing, quality, etc.  |  initialism (military: air force) | 空军  kōng jūn | 
AF,  A.F.,  a.f. nnoun: Refers to person, place, thing, quality, etc.  |  initialism (physics: audio frequency) | 声音频率 
  | 
|   |   | 音频 
  | 
AF,  A.F. nnoun: Refers to person, place, thing, quality, etc.  |  initialism (language: Anglo-French) (一种语言) | 英国法语 
  | 
| 备注: 指诺尔曼时代在英国使用的法语 | 
AF,  A.F. nnoun: Refers to person, place, thing, quality, etc.  |  initialism (Asian female) | 亚洲女性 
  | 
| after a fashion advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (in a way) | 还过得去  hái guò de qù | 
|   |   | 勉勉强强  miǎn miǎn qiǎng qiǎng | 
|   |   | 马马虎虎  mǎ ma hū hu | 
| after a while advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (some time later) | 一会儿以后  yí huì er yǐ hòu | 
|   |   | 过了一会儿  guò le yí huì er  | 
|   | At first he felt no pain. After a while, his arm began to ache. | 
| all in a day's work exprexpression: Prepositional phrase, adverbial phrase, or other phrase or expression--for example, "behind the times," "on your own." |  informal, figurative (routine activity) | 日常工作  rì cháng gōng zuò | 
|   |   | 分内之事 
  | 
|   | There's no need to thank me - it's all in a day's work for me. | 
| all of a sudden advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (suddenly) | 忽然  hū rán | 
|   |   | 突然  tū rán | 
|   | All of a sudden, a dark cloud blotted out the sun. | 
a.m.,  am,  A.M.,  AM advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  initialism (antemeridian: in the morning) (正午12时之前) | 早上,上午,午前,中午之前 
  | 
|   | You have a 9:30 a.m. appointment with the doctor. I woke up at 7 am.  This nightclub is open until 3 am. | 
| an arm and a leg nnoun: Refers to person, place, thing, quality, etc.  |  slang (high price, high cost) (俚语) | 昂贵,大价钱 
  | 
|   | It cost me an arm and a leg. | 
| answer to a problem nnoun: Refers to person, place, thing, quality, etc.  |  (solution) | 问题的答案  wèn tí de dá àn | 
|   | The answer to the problem may be quite simple. | 
apply for a job,  apply for a position v exprverbal expression: Phrase with special meaning functioning as verb--for example, "put their heads together," "come to an end." |  (reply to employment advertisement) | 申请工作  shēn qǐng gōng zuò  | 
|   | My only task for today is to apply for a job. | 
AR,  A/R nnoun: Refers to person, place, thing, quality, etc.  |  written, abbreviation (accounts receivable) | 应收账款  yīng shōu zhàng kuǎn | 
| as a bonus advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  informal (in addition) | 作为意外收获  zuò wéi yì wài shōu huò | 
|   | We're going on a hike in the mountains today, and as a bonus we'll have a picnic. | 
| as a child advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (during childhood) | 童年时  tóng nián shí | 
|   |   | 小时候  xiǎo shí hòu | 
|   | As a child, Henry was scared of dogs but he later went on to become a vet. | 
| as a consequence advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (so, therefore) | 因此  yīn cǐ | 
|   | The boy failed his math test. As a consequence, he cannot visit his friends this weekend. | 
| as a friend advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (preface to giving advice) (告诉别人不好消息等时的开场白) | 作为朋友  zuò wéi péng yǒu | 
|   | You know I say this as a friend, but I don't think that you should date him. | 
| as a joke advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (for humorous effect) | 开玩笑  kāi wán xiào | 
|   | Don't be upset, that comment was meant as a joke. | 
| as a matter of fact exprexpression: Prepositional phrase, adverbial phrase, or other phrase or expression--for example, "behind the times," "on your own." |  (in fact, on the contrary) | 事实上  shì shí shàng  | 
|   |   | 实际上  shí jì shàng  | 
|   | I'm not ignoring your brother; as a matter of fact, I invited him for dinner tonight. | 
| as a matter of principle exprexpression: Prepositional phrase, adverbial phrase, or other phrase or expression--for example, "behind the times," "on your own." |  (on moral grounds) | 原则上,从原则上说 
  | 
| as a replacement for advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (as a substitute for) | 作为…的替代  zuò wéi de tì dài | 
|   |   | 代替  dài tì | 
|   | Margarine is widely used as a replacement for butter. | 
| as a result advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (consequently) | 结果  jié guǒ | 
|   | The little girl kept jumping in puddles, and as a result her new shoes were ruined. | 
| as a result of exprexpression: Prepositional phrase, adverbial phrase, or other phrase or expression--for example, "behind the times," "on your own." |  (due to, because of) | 作为…的结果  zuò wéi … de jié guǒ | 
|   | As a result of your disobedience, your parents punished you. | 
| as a rule exprexpression: Prepositional phrase, adverbial phrase, or other phrase or expression--for example, "behind the times," "on your own." |  (usually) | 一般而言  yì bān ér yán | 
|   |   | 通常来说  tōng cháng lái shuō | 
|   | As a rule, we go to bed early on weeknights. | 
| as a substitute for exprexpression: Prepositional phrase, adverbial phrase, or other phrase or expression--for example, "behind the times," "on your own." |  (to replace, instead of) | 作为…的替代  zuò wéi de tì dài | 
|   |   | 代替  dài tì | 
|   | She used two cups of milk as a substitute for three eggs called for by the recipe. | 
| as a whole advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (all considered together) | 总体上  zǒng tǐ shàng  | 
|   | Some students need to improve, but the class as a whole is very good. | 
| as sly as a fox adjadjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house."  |  (devious, cunning) | 如狐狸般狡猾  rú hú lí bān jiǎo huá | 
|   | Reynard was as sly as a fox as he wheedled his way into the hen house. | 
ASAP,  A.S.A.P.,  asap,  a.s.a.p. advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  abbreviation (as soon as possible) | 尽快  jǐn kuài | 
|   |   | 越快越好  yuè kuài yuè hǎo  | 
|   | Please send your reply to the following address ASAP. | 
| ask a question v exprverbal expression: Phrase with special meaning functioning as verb--for example, "put their heads together," "come to an end." |  (make enquiry) | 提问  tí wèn | 
|   |   | 问问题  wèn wèn tí | 
|   | The teacher said to her students, "If you don't understand the material, please ask a question!". | 
| ask [sb] a question v exprverbal expression: Phrase with special meaning functioning as verb--for example, "put their heads together," "come to an end." |  (want to know [sth]) | 向...提问 
  | 
|   |   | 问...问题 
  | 
|   | My young daughter asks me a lot of questions. | 
| at a certain time advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (at a specified hour) | 在某个特定时间 
  | 
|   | You can adjust the heating so that it switches itself on at a certain time each evening. | 
| at a crossroads advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  figurative (at a decisive point) | 在十字路口 
  | 
|   |   | 处于决定性时刻,处于关键时刻 
  | 
| at a disadvantage advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (in an inferior position) | 处于劣势  chǔ yú liè shì | 
|   |   | 处于不利地位  chǔ yú bú lì dì wèi | 
|   | You'll be at a disadvantage if you don't have a second language. | 
| at a discount advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (at a reduced price) | 打折  dǎ zhé  | 
|   |   | 以折扣价格  yǐ zhé kòu jià gé  | 
|   | The student card allows you to buy train tickets at a discount. | 
| at a distance advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (comfortably far away) | 隔开一段距离  gé kāi yí duàn jù lí | 
|   | He keeps himself at a distance from political arguments. | 
| at a distance advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  literal (some distance removed) (本义) | 在远处,从远处,相距遥远地 
  | 
| at a glance advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  literal (with one quick look) (本义) | 一瞥,一眼,晃眼一看,匆匆一看 
  | 
| at a glance advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  figurative (quickly, rapidly) (比喻) | 迅速地,匆匆地,快地 
  | 
| at a good price advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (at reasonable cost) | 好价钱  hǎo jià qián | 
|   |   | 以不错的价格  yǐ bú cuò de jià gé | 
|   |   | 以高价  yǐ gāo jià | 
|   | I was able to buy my PC at a good price. | 
| at a later date advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (on an unspecified future day) | 以后  yǐ hòu | 
| at a later time advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (later) | 以后  yǐ hòu | 
|   |   | 过一段时间  guò yí duàn shí jiān  | 
|   | We agreed to discuss the matter again at a later time. | 
at a loose end,  at loose ends advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  informal, figurative (having nothing to do) | 无事可做  wú shì kě zuò | 
| at a loss advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (losing money) | 处于亏损地  chǔ yú kuī sǔn de | 
|   | They must be selling these at a loss, the prices are so low. | 
| at a loss adjadjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house."  |  informal (unable to understand) | 困惑不解的  kùn huò bù jiě de  | 
|   | She was at a loss to explain what had happened. | 
| at a premium advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (scarce, sought-after) | 奇缺地  qí quē de | 
|   |   | 供不应求地  gōng bú yìng qiú de | 
|   |   | 渴求地  kě qiú de | 
|   | During the oil embargo of the 1970's, gasoline was at a premium. | 
| at a profit advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (gaining financially) | 赚钱  zhuàn qián | 
|   |   | 获利  huò lì | 
|   | Alan repairs second-hand cars and then sells them at a profit. | 
| at a push advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  UK, informal (with difficulty) | 尽力的话,勉强 
  | 
| at a slow pace advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (slowly) | 缓慢地  huǎn màn de | 
|   | The tortoise won the race, even though he went at a slow pace. | 
| at a standstill adjadjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house."  |  literal (traffic: not moving forward) (本义,交通) | 停滞,停顿,停滞状态 
  | 
|   | When we saw the accident we understood why traffic was at a standstill. | 
| at a standstill adjadjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house."  |  figurative (not progressing) (比喻) | 停止不前,没有进步 
  | 
|   | We can't agree on the terms of the contract, so negotiations are at a standstill. | 
| at a stretch exprexpression: Prepositional phrase, adverbial phrase, or other phrase or expression--for example, "behind the times," "on your own." |  (in one session) | 一口气地  yì kǒu qì de | 
|   |   | 连续不断地  lián xù bú duàn de | 
|   |   | 不休息地  bù xiū xī de | 
|   | Although I can read English for hours, I can only manage about ten pages of French at a stretch. | 
| at the drop of a hat advadverb: Describes a verb, adjective, adverb, or clause--for example, "come quickly," "very rare,"  "happening now," "fall down."  |  (at the least provocation or invitation) | (脾气等)一触即发  pí qì děng yí chù jí fā | 
|   | That girl is so emotional, she'll start crying at the drop of a hat. | 
atom bomb,  atomic bomb,  A-bomb nnoun: Refers to person, place, thing, quality, etc.  |  (nuclear weapon) | 原子弹 n yuán zǐ dàn |