walls have ears
成語所屬單字wall
walls have ears — 慣用語
1. used to warn people that others may be listening, so they should be careful what
1.慣用語
釋義
隔牆有耳
used to warn people that others may be listening, so they should be careful what they say.
例句
Be careful what you say in this café — walls have ears, you know.
Lower your voice. Walls have ears, and we cannot trust everyone here.