1 weary疲劳的

She suddenly felt old and weary.

她突然感觉到衰老和疲倦

2 exhausted精疲力尽

One day， mentally exhausted， I wrote down all the reasons why this problem could not be solved.

一天，我心力交瘁，写下了问题未被解决的所有原因。

3frazzled

I need to rest my frazzled nerves.

我需要让我疲惫的神经休息一下。