The origin of "you have the right to remain silent" The word cop comes from copper, which means "copper". Because police badges are all made of copper, cop can be used to represent police in slang. Learn workplace English by watching animation. The most popular one on the Internet is taught by Zhang Xiaohe >> Because cop is an informal slang, the translation of cop looks very similar to the "police" in Hong Kong dramas, but the difference is that there are some derogatory elements in "police", and the word cop is neutral, so it depends on the tone of the speaker, so it should be translated into "police" or "police".