fool around
US /fuːl əˈraʊnd/
UK /fuːl əˈraʊnd/

1.
장난치다, 빈둥거리다
to behave in a silly or playful way, often wasting time
:
•
Stop fooling around and get your work done.
장난치지 말고 일이나 해.
•
The kids were fooling around in the backyard.
아이들이 뒤뜰에서 장난치고 있었어.
2.
바람피우다, 가볍게 만나다
to have a casual sexual relationship with someone
:
•
He was accused of fooling around with a colleague.
그는 동료와 바람을 피웠다는 비난을 받았다.
•
They were just fooling around, nothing serious.
그들은 그냥 장난치는 중이었어, 심각한 건 아니었어.