stay out of
Ne te mêle pas de ce qui ne te regarde pas !
Don't interfere in what doesn't concern you!
Je t'en supplie, ne te mêle pas de nos affaires.
I’m begging you, stay out of our affairs.
— 2 sœurs (2003)
Don't interfere in my private life.
Ne te mêle pas de ses affaires si tu veux qu'il t'aime.
Don't meddle in his affairs if you want him to love you.