n. 挫折，令人沮喪的東西
===============================================
例句與用法
1、The cat sat in front of the bird cage in an agony of frustration at being so near and yet so far.
貓無可奈何地坐在鳥籠前，眼看著鳥兒近在咫尺，可怎麽也夠不著。
2、It's healthier to release frustration than to bottle it up.
受挫折後發泄壹通比強忍著對身體有益。
3、He ground his teeth (together) in frustration.
他因失敗而把牙咬得咯咯響。
4、Every job has its frustrations.
每種工作都有讓人不稱心的地方。
==========================================
延伸故事：
frustration
frustration frustration在外貿行業裏有“失信”的意思，例如：Complaint concerning frustration表示“申訴不履行承諾”。這個我可弄了好久才知道，真暈，frustration原來意思是“挫折”嘛。看來行業裏的專用語還真多呢。