英美人天天都在说的4000句:Walls Have Ears 隔墙有耳(,小心被人听见了)

J：We are a little in the dark here, but any ideas you may have...
E：Well, actually, yes, sir, I do.
And the one I want to try first is this.
He has not filed a return receipt.
J：What do you do at the Bureau, Mr. Welsh?
E：Oh, I'm an accountant, and the Bureau sent me here.
J：OK. Let's go.
E：Where are we going?
J：These walls have ears.