口语化的说法是 we are finished 或 I'm done with you委婉一些就说 : forget me 或者 I can't be with you anymore
let us break up....
1.let‘s break up.2.we missing3.I think we need to call it quits.这3种表达都可以,第一句比较中规中矩一点,其他两句,偏俚语化.
Let's break up 直接点
we are over.