düşman kesilmek, düşman olmak

listen to the pronunciation of düşman kesilmek, düşman olmak
Türkçe - İngilizce
(deyim) turn against
To set against or in opposition to something

She turned him against his friends.

To rebel or oppose to something formerly supported

They turned against their leader.

To use to the disadvantage or injury of

They turned their arms against their former allies.

If you turn against someone or something, or if you are turned against them, you stop supporting them, trusting them, or liking them. A kid I used to be friends with turned against me after being told that I'd been insulting him Working with the police has turned me against the use of violent scenes as entertainment
düşman olmak/kesilmek
to become an enemy (of)