n.挫折；失敗；令人沮喪的東西

It's healthier to release frustration than to bottle it up. 受挫折后發(fā)泄一通比強(qiáng)忍著對(duì)身體有益。

He ground his teeth together in frustration. 他因失敗而把牙咬得咯咯響。

It's more of a frustration than anything else. 沒有比這更令人沮喪的。

n.挫折；失敗；坎坷

名詞的frustration復(fù)數(shù)形式.