他们可能是军队中的便衣。

They might have been soldiers in civvies.

《柯林斯英汉双解大词典》

这条街上每天都有几个便衣警察。

There are several fly cops on the street every day.

youdao

一个便衣侦探搭乘火车旅行。

A plainclothes detective travelled on the train.

youdao

几个便衣在街拐角处等待着。

Several plainclothes men were waiting about round the street corner.

youdao

他们是不带武器的便衣警察。

They are unarmed plain-clothes men.

youdao

其实，这是一辆便衣…警车。

In fact it's an unmarked police car.

youdao

人群中有穿着便衣的警察。

There were policemen in plain clothes in the crowd.

youdao

他们说已经开始担心便衣警察早已知道他们的名字了。

They said they were already worried that plainclothes policemen had been taking their names.

youdao

我知道他是个便衣警察。

I know he is a plain-clothes copper.

youdao

一组便衣警察进入住宅。

A group of plainclothes police went into the house.

youdao

在此同时，其余的便衣警员也到达了现场。

Meanwhile, the other non-uniformed policemen arrived.

youdao

在此同时，其余的便衣警员也到达了现场。

Meanwhile, the other non-uniformed policemen arrived.

youdao