Je lui ai raconté mon problème, mais il n’en a rien à ficher.
I told him about my problem, but he couldn’t care less.
Elle a échoué à son examen, mais elle n’en a rien à ficher.
She failed her exam, but she couldn’t care less.
On lui a proposé une promotion, mais il n’en a rien à ficher.
They offered him a promotion, but he couldn’t care less.
J’ai essayé de lui expliquer la situation, mais il n’en a rien à ficher.
I tried to explain the situation to him, but he couldn’t care less.
Il a fait une erreur grave, mais il n’en a rien à ficher.
He made a serious mistake, but he couldn’t care less.