螳臂挡车
to kick against the pricks

鞠躬尽瘁
to give the last measure of devotion

聪明反被聪明误
to suffer for one's wisdom

旧调重谈
to harp on the same string

礼尚往来
Courtesy on one side cannot last long.

礼多必诈
full of courtesy, full of craft

声嘶力竭
He was talking at the top of his voice.

覆水难收
What's done cannot be undone./There is no use crying over spilt milk.

转石不生苔
A rolling stone gathers no moss.

转败为胜
to convert defeat into victory 

小Car笔记:

courtesy:礼貌, 好意, 恩惠 【常用短语】①courtesy light:礼貌灯, 门控车室照明灯  ②courtesy title:礼貌性的尊称

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