sound somebody out 探口风

“探口风”，汉语俗语，意思是探听别人的口气，形容探取对方口中透露出来的讯息，揣摩其含义。可以翻译为“sound somebody out或find out somebody's feelings/opinions”等。

例句：

关于放假的问题，我要去探探经理的口风。

I'll try to sound out the manager on the question of holidays.

让我们先探探她的口风。

Let's first find out what she thinks about it.