The car developed engine trouble and we had to stop.

　　汽車發動機出了故障，我們只好停車。

　　I can call back later ─ it's no trouble.

　　我可以過一會兒回電話，沒關系。

　　Sorry to trouble you, but could you tell me the time?

　　對不起打擾您一下，請問幾點了？

　　Don't go to any trouble for my benefit!

　　別為我費工夫！

　　I'm having trouble finding anything new to say on this subject.

　　在這個課題上要提出什么新看法，我有困難。

　　Call the police at the first sign of trouble.

　　一有鬧事的苗頭就叫警察。