/ˈwɪsl; US ˈhwɪ- ||; ˈhwɪsḷ/noun[C] 1 a small metal or plastic tube that you blow into to make a long high sound or music 哨子: The referee blew his whistle to stop the game. 裁判吹哨子中止比赛。 ☞picture at music 见music插图
2 the sound made by blowing a whistle or by blowing air out between your lips 口哨（声）: United scored just moments before the final whistle. 联队在结束比赛的哨子声响起前不久射进了一球。He gave a low whistle of surprise. 他吃了一惊，轻吹了一声口哨。