英語翻譯：

breathe out slowly; utter a sigh

相關詞條：

例句：

1. 他被聽眾噓下臺來。
   He was hissed off by the audience.
2. 當演講者談到應該加稅的時候，人群對他發(fā)出了噓聲。
   The crowd hissed at the speaker when he said taxes should be increased.
3. 人們用噓聲把那政客轟下了臺。
   The politician was hissed off (the platform).
4. 觀眾向演出者發(fā)出一片噓聲。
   The crowd greeted the performers with boos and hisses.