"隔墙有耳"的英文表达是 "walls have ears", 它的来源源自古希腊和罗马时代，用来提醒人们在谈话时要小心，因为隔墙可能会听到你说的话。例句:

"I can't talk openly here, the walls have ears."（我不能在这里大声说话，隔墙有耳。）

"Be careful what you say, the walls have ears." （小心你说的话，隔墙有耳。）

"It's important to remember that the walls have ears in this office." （记住，在这间办公室里隔墙有耳。）