a practical joke

• n. 恶作剧

a practical joke的用法和样例：

例句

1. 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。
2. The children put salt in the sugar bowl as a practical joke.
   孩子们玩恶作剧把盐放进了糖罐里。