Plainclothes policeman的意思|示意

That plainclothes policeman detained the drugpusher.

那名便衣把毒贩给拘留了。

A plainclothes policeman saw the car as it drove through the street of the Latin Quarter.

在这辆车通过拉丁区的街道时被一名便衣警察看见。

But the man was a plainclothes airport policeman, and Mr McKay was charged with insulting him and his passport was confiscated.

没想到这个陌生人是机场的便衣警察。于是，麦凯先生遭到了控诉——辱骂警官，护照也被没收了。

The policeman dressed in plainclothes rather than in a uniform.

那位警察穿着便衣，而不是警服。