Definition
A warning indicating that it is not safe to speak openly because others might be listening.
隔牆有耳（警告別人謝語小心）
Remember that 'walls have ears' when discussing personnel issues in the office.
記得在辦公室討論人事問題時要記住『隔牆有耳』。
I don't want to say too much on the phone, you know, walls have ears.
我不想在電話裡說太多，你知道的，隔牆有耳。
Be careful when discussing secrets in public places, as they say, walls have ears.
在公共場所討論秘密時要小心，正如他們所說，隔牆有耳。