whistle

释义

n. 口哨, 汽笛, 啸啸声, 口哨声\nvi. 吹口哨, 鸣汽笛, 发嘘嘘声\nvt. 用口哨或吹哨传意, 用口哨演奏 blow the whistle 告发；揭发 clean as a whistle 擦得净亮

例句

The lifeguard blew his whistle.

救生员吹响哨子。