| 单词 | 定约 |
| 释义 | 〔contract〕put out a contract on the mobster's life.为谋杀此盗匪而定约〔double〕A bid doubling one's opponent's bid in bridge, thus increasing the penalty for failure to fulfill the contract.加倍的倍数：在对方叫牌的基础上加倍，这样当完不成定约时则增加惩罚〔handfast〕from Old Norse handfesta [to strike a bargain, pledge] 源自 古斯堪的纳维亚语 handfesta [成交，定约，立誓] 〔contract〕To enter into by contract; establish or settle by formal agreement:定约：通过合同契约开始从事；通过正式协议制定或确定： |
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