wear down

phrasal verbphr v

a) SMALLto gradually become flatter or smoother, or to make something become like this, because of rubbing or use (使)逐渐磨平；(使)磨滑；(使)磨损

My shoes have worn down at the heel.

我的鞋子后跟已经磨损了。

wear something ↔ down

Its teeth were worn down.

它的齿被磨平了。

b) WEAKNOT SURE wear somebody ↔ down to gradually make someone physically weaker or less determined 削弱某人的体力[决心]

It was clear he was being worn down by the rumours over his future.

很明显，那些关于他前途的传言搞得他意志消沉。

wear downChinese

wear down phrasal verb
⇨ undermine

wear down