别碰我的底线英文

You are getting into my last nerve. last nerve, 指个人可容忍的最低限度。

Don't touch me

底线其实地道的英文就是 bottom line所以可以是，do not ever try to touch my bottom line.或者 it's my bottom line, just don't touch it.

bottom line ; base line

Don't touch my bottom line, or I'll get angry

you have touched my bottom line应该用完成时