The CID is a part of the British police: the detectives who look into very serious crimes — murder, big robbery, that kind of work — rather than the officers in uniform who walk the street. CID stands for Criminal Investigation Department.

The CID is a part of the British policeCID 是英國警方的一個部門 the detectives who look into very serious crimes是負責調查重大刑案的偵探 murder, big robbery, that kind of work像謀殺、重大搶案這類案子 rather than the officers in uniform who walk the street而不是穿制服在街上巡邏的員警 CID stands for Criminal Investigation DepartmentCID 全名是 Criminal Investigation Department刑事調查部

In news and crime stories, someone “in the CID” is a detective, often in ordinary clothes. They are police, not spies.

In news and crime stories在新聞和犯罪故事裡 someone "in the CID" is a detective, often in ordinary clothes在 CID 裡的人就是偵探通常穿便服 They are police, not spies他們是警察不是間諜

Though actually, not every British force still paints those three letters on the door, but in learner English and in stories CID still means those detectives. Other countries have detective branches too, and some reuse the same letters, but this word is filed as the British one.

Though actually不過事實上 not every British force still paints those three letters on the door不是每個英國警局現在都還把這三個字母漆在門上 but in learner English and in stories CID still means those detectives但在學習英文和故事裡 CID 指的還是那些偵探 Other countries have detective branches too其他國家也有偵查部門 and some reuse the same letters有些也沿用同樣的縮寫 but this word is filed as the British one但這個字被歸類為英國的用法