They came in a huge truck full of police men, plus two police women, plus a plain clothes intelligence agent and a magistrate.

他们开来了一辆很大的卡车，里满全是警察，其中有两名女警。

youdao

KGB officers in plain clothes were clearly in charge even at the police station, and the arrest itself was as choreographed as the trial to come.

很明显，当时是由克格勃的便衣警察在掌控局势，甚至在警署也是如此，逮捕行动和接下来审讯一样都是他们编排的。

youdao

One group recently attacked several stallholders at an open-air market in Rafina, a port near Athens, after posing as plain-clothes police checking their permits.

ECONOMIST: Greek politics