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?
昨晚没睡好?
A：I twisted and turned all night, and couldn’t sleep. I was worried about my mother’s health.
我翻来覆去睡不着，担心我母亲的身体。
B：Don’t worry. It’s only a cold.
别担心，她只是感冒了。