假的用英语怎么说

假的用英语可以说是 fake 或者 counterfeit。
这个词来源于拉丁文 falsus，意思是 "lying, untrue"。
例句：
The painting was a fake and the dealer was arrested for selling it.
The police discovered a counterfeit money operation in the basement of the building.
The watch I bought online turned out to be a fake, it stopped working after only a few days.