accomplice, in cahoots, complicit
Il a été considéré comme complice.
He was considered an accomplice.
Le criminel avait un complice.
The criminal had an accomplice.
Do you imagine me as an accomplice?
— Portrait de la jeune fille en feu (2019)
Je sais que t’essaies de couvrir quelqu’un, mais ne te rends pas complice.
I know you’re trying to cover for someone, but don’t make yourself an accomplice.
— The Shadow's Edge (2025)
Non, Votre ambition est de dénoncer mais vous finissez par en être complice.
No, your ambition is to denounce, but you end up becoming complicit.
— Huit et demi (1963)
Je suis cuit, complice par assistance.
I'm done for, complicit by way of assistance.
— American Gangster (2007)