frustration [frʌs'treiʃən]

n. 打破,挫折,顿挫

It's healthier to release frustration than to bottle it up.

受挫折后发泄一通比强忍着对身体有益。

[计算机] 失败

[外贸]失信

例如：Complaint concerning frustration表示“申诉不履行承诺”。