you're losing it
Tu dérailles ?
Are you going off the rails?
— Les Affranchis (1990)
Tu dérailles, Dane a pas tué Jackie, putain !
You're delusional, Dane didn't kill Jackie, for fuck's sake!
— The Rip (2026)
Stu, tu dérailles, mon pote.
Stu, you're going off the rails, my friend.
— En terrain miné (2014)
Tu dérailles.
You're going off the rails.
— Mystic River (2003)
Tu dérailles !
You're going off the rails!
— Infernal Affairs (2002)