practical joke

名词 practical joke:

1. a prank or trick played on a person (especially one intended to make the victim appear foolish)

1. My little son is fond of playing practical jokes on me.
   我的小儿子喜欢对我玩恶作剧。
2. He put a shovelful of snow in Kate's bed as a practical joke.
   他把一铲雪放在凯特的床上，以此来开玩笑。