Somehow I couldn't do it myself, so I went around and got a plain clothes man to do the job.

不知为何我自己做不到，所以我找了一个便衣来完成任务。

I like wearing plain clothes.

我喜欢穿便衣。

The detectives were in plain clothes.

警探穿着便衣.

A policeman in plain clothes pig pool

便衣警察猪水池

That's certainly a plain-clothes policeman.

那肯定是个便衣警察。

They are unarmed plain-clothes men.

他们是不带武器的便衣警察。

Plain clothes policeman who work undercover to detect crime.

隐蔽调查犯罪的便衣警察。

Plain-clothes policemen have been planted at all the exits.

在各个出口都安置了便衣警察。

Plain-clothes policemen had been planted at all the exits.

所有的出口处都布置了便衣警察。

A policeman with plain clothes stood a dozen paces behind me watching me.

穿便衣的警察站在我后面十几步远的地方，监视着我。