柯林斯詞典shut up (shutting,shuts) 1. PHRASAL VERB If someone shuts up or if someone shuts them up, they stop talking. You can say `shut up' as an impolite way to tell a person to stop talking. 使閉嘴; 閉嘴 Just shut up, will you? 閉嘴,行嗎? 返回 shut up