Onun işlerine karışmayın.
- Don't meddle in his affairs.
İşlerine karışmaya niyetim yok.
- I have no intention of meddling in your affairs.
Don't interfere in other people's affairs.
- Misch dich nicht in anderer Leute Angelegenheiten ein.
Don't interfere in my affairs.
- Bitte misch dich nicht in meine Angelegenheiten ein.