fool around

US /fuːl əˈraʊnd/
UK /fuːl əˈraʊnd/
"fool around" picture
1.

胡鬧, 鬼混

to behave in a silly or playful way, often wasting time

:
Stop fooling around and get your work done.
別再胡鬧了,把你的工作做完。
The kids were fooling around in the backyard.
孩子們在後院胡鬧
2.

亂搞, 玩弄感情

to have a casual sexual relationship with someone

:
He was accused of fooling around with a colleague.
他被指控與同事亂搞
They were just fooling around, nothing serious.
他們只是玩玩而已,沒什麼認真的。