便衣警察

【法】 civie; man with plain clothes; narc; plain-clothes man
policeman in disguise; split

便衣的英语翻译：

civvy; fly cop
【法】 plain-clothes

警察的英语翻译：

police; copper; bluecoat; bobby; paddy; peeler; policeman
【法】 blue-coat; constable; constable police; constabulary; gumfoot
gumshoeman; helmet; military grard; minion of the law; paddy; peeler
police force; police offcer; policeman; polie; Robert