动词搭配 “work out” 的意思是 “锻炼身体”，也就是指通过体育锻炼来达到强健体魄、减重等目的。比如，“to work out in the gym” 就表示 “在健身房锻炼”。

例句

She liked to work out in the gym after work.

她喜欢下班后去健身房锻炼身体。

He wanted to lose weight so he started working out.

他想要减重，所以开始锻炼身体了。

I'm always tired after I work out.

每次锻炼后我都精疲力竭。