隔墙有耳

géqiángyǒuěr

隔墙有耳 — géqiángyǒuěr

1. the walls have ears; someone may be listening (idiom) — used to warn that conversations may be overheard

   开会时要小心，隔墙有耳。 kāihuì shí yào xiǎoxīn géqiángyǒuěr — Be careful during the meeting; the walls have ears.