That's very nice of you, but I really can't.

你太客氣了，可我真的非走不可。

Do you have anything to declare?

你有東西要申報關稅嗎？

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。