whistle
US /ˈwɪs.əl/
UK /ˈwɪs.əl/
1.
口哨, 哨子
a clear, high-pitched sound made by forcing breath through a small hole between partly closed lips, or through a device that produces such a sound
:
•
He let out a loud whistle to get their attention.
他发出一声响亮的口哨以引起他们的注意。
•
The referee blew his whistle to signal the end of the game.
裁判吹响了哨子，示意比赛结束。
1.
吹口哨, 鸣笛
to make a clear, high-pitched sound by forcing breath through a small hole between partly closed lips, or through a device that produces such a sound
:
•
He began to whistle a cheerful tune as he walked.
他边走边吹口哨，哼着欢快的曲子。
•
The train whistled as it approached the station.
火车驶近车站时鸣笛。