you’ve got the wrong person
我想你认错人了
I think you’ve got me confused with someone else.
— 时空恋旅人 (2013)
你认错人了,别开枪
You've got the wrong person—don't shoot.
— 第五元素 (1997)
你不觉得你认错人了吗?
Don't you think you've got the wrong person?
— Suzhou River (2000)
你认错人了
You've mistaken me for someone else.
— 小姐 (2016)