A：I am exhausted. I need some sleep.

我累死了，太缺乏睡眠了。

B：Didn’t you sleep well last night?

昨晚沒睡好？

A：I twisted and turned all night, and couldn’t sleep. I was worried about my mother’s health.

我翻來覆去睡不著，擔心我母親的身體。

B：Don’t worry. It’s only a cold.

別擔心，她只是感冒了。