"Take care of yourself" 是一个常见的短语，用来表达对自己或他人身体和心理健康的关心。它最早源自古英语中的 "thaet cearu"，其中 "thaet" 意为 "守护"，"cearu" 意为 "疼爱"。例句：

Remember to take care of yourself and get enough sleep.

I know you're going through a tough time right now, so please take care of yourself.

It's important to take care of yourself and your mental health.

Don't forget to take care of yourself, too – you can't pour from an empty cup.