Translation of "Frustrated" in Chinese

- I was so disappointed.
- I was so frustrated.

我那时是这麽的失望。

How frustrated must a person be to commit suicide?

一个人得遇到多大的挫折才会自杀？

Was extremely frustrated with the Malaysian government's investigation of the flight,

由于中国政府对马来西亚政府的事故调查很不满意

They felt frustrated with the current version of the law and seemed ok to take a gamble on Trump’s

他们对現行（醫保）法案感到沮喪， 而且似乎願意在特朗普的承諾上冒險