|buː| A. exclamation (surprising sb.) 嗨 hāi (jeer) 嘘 xū he/she wouldn't say boo to a goose 他/她非常羞怯 boo! boo! send him off, ref! 嘘!嘘!让他下去,裁判! B. noun 嘘声 xūshēng C. transitive verb (3rd person singular present boos; past tense, past participle booed) 向…发嘘声 xiàng… fā xūshēng be booed off the stage 在一片倒彩声中下台 D. intransitive verb (3rd person singular present boos; past tense, past participle booed) 发嘘声 fā xūshēng