practical joke
noun [ C ] uk/ˌpræk.tɪ.kəl ˈdʒəʊk/ us/ˌpræk.tɪ.kəl ˈdʒoʊk/
恶作剧
a joke that makes someone seem silly and involves a physical action rather than words
She glued her boss's cup and saucer together as a practical joke. 她搞恶作剧，把老板的茶杯和托碟粘在一起。