People we know?

我們認識的人。

There is nothing to thank me for.

沒有什么可謝我的。

When a student recently saw two workmen using a pneumatic drill outside his university, he immediately telephoned the police and informed them that two students dressed up as workmen were tearing up the road with a pneumatic drill.

最近有個學生看見兩個工人在學校門外用風鉆干活，馬上打電話報告警察，說有兩個學生裝扮成工人，正在用風鉆破壞路面。