She gets very bad-tempered when she's tired.

她累的时候就爱发脾气。

《牛津词典》

For example, when I feel tired, listening to some classical music helps me relax.

例如，当我感到累的时候，听一些古典音乐帮助我放松。

youdao

Schedule difficult tasks for times you feel good, saving easy ones for when you're tired.

把困难的任务安排在你感觉好的时候，把简单的任务留到你累的时候做。

youdao

If you're tired or stressed out or in a bad mood or, you know, full of rage.

如果你很累、压力很大、心情不好，或是很愤怒的时候，

会打棒球吗？ - SpeakingMax英语口语达人

I'm really tired and I have a lot of school work to catch up on.

我真是累坏了，我还有许多落下的功课得补起来。

I'd like 实战 - SpeakingMax英语口语达人

Even though I'm tired, my body feels invigorated.

尽管我很累，我的身体仍然精力充沛。

Do you ever实战 - SpeakingMax英语口语达人