名词trouble可数吗

The car developed engine trouble and we had to stop.

汽车发动机出了故障，我们只好停车。

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

我可以过一会儿回电话，没关系。

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

对不起打扰您一下，请问几点了？

Don't go to any trouble for my benefit!

别为我费工夫！

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

在这个课题上要提出什么新看法，我有困难。

Call the police at the first sign of trouble.

一有闹事的苗头就叫警察。