"whistling" in Chinese (Simplified)
口哨声吹口哨
Definition
用嘴唇吹气或使用口哨发出高亢或悦耳声音的行为或声音本身。可以指发声的动作，也可以指这个声音。
Usage Notes (Chinese (Simplified))
“Whistling”既可以指吹口哨的动作，也可以指发出的声音。常用在“whistling a tune”等表达。一般用于非正式场合。不要与“singing”（唱歌）或“humming”（哼歌）混淆。
Examples
He is whistling in the garden.
他正在花园里**吹口哨**。
The whistling was loud during the football match.
足球比赛期间**口哨声**很大。
I heard whistling coming from the kitchen.
我听到从厨房传来的**口哨声**。
He walked down the street, whistling his favorite song.
他边走在街上边**吹着**自己最喜欢的歌曲。
Suddenly, a whistling sound came from behind the door.
突然，门后传来**口哨声**。
She can't stop whistling when she's happy.
她一高兴就忍不住**吹口哨**。