a whistle (= sound made by blowing air through the lips) sometimes made by a man when he sees a woman he finds sexually attractive

The last time she went out wearing those ripped jeans she got several wolf whistles. 上次她穿那条破洞牛仔裤出门时，有好几个人向她吹口哨挑逗。

to whistle (= make a sound by blowing air through the lips), especially in order to show you find someone sexually attractive

Builders are renowned for wolf-whistling at any woman who walks by. 建筑工人会对任何路过的女人吹口哨，这一行为广为人知。。

One of the girls wolf-whistled, while the rest of them shrieked. 其中一个女孩吹着口哨，其余的则尖叫起来。