back down

 

back down        放棄; 打退堂鼓

I see he has backed down from the position he took last week. 

我注意到他放棄了上星期的立場。

 

http://tw.dictionary.yahoo.com/search?p=Back+Down&fr=yfp&ei=utf-8&v=0

 

 

 

back down (on/from something)

to take back a demand, an opinion, etc. that other people are strongly opposed to; to admit defeatShe refused to back down on a point of principle.

http://oaadonline.oxfordlearnersdictionaries.com/dictionary/back+down#back_4__43