To give someone the cold shoulder.

给谁一个冷脸。

youdao

You give someone the cold shoulder when your refuse to speak to them.

当你不想与某人讲话时，你会对他冷淡。

youdao

You give someone the cold shoulder when your refuse to speak to them.

当你不想与某人讲话时，你会对他冷淡。

youdao