self-importantadjadjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house."
(pompous, vain)
自高自大的，妄自尊大的
在这些条目还发现'self-important'：
在英文解释里：
blusterous - high and mighty - inflated - knock sb off their pedestal - pompous - posturing - princess - puffed up - swagger - throw your weight around - upstart - whippersnapper