fool around

动词 fool around:

1. indulge in horseplay
   同义词：horse around, arse around, fool
2. commit adultery
   同义词：play around

1. I am mean to be work on Sunday, but I just fool around all day.
   星期日我本应工作的，但却闲混了一整天。
2. Mike fell and broke his leg. That taught him but good not to fool around in high trees.
   迈克跌断了腿，那是个有力的教训，可使他不敢再在高树上嬉戏。