to fool, deceive
He got duped.
Mais tous les supérieurs se faisaient berner par ton attitude !
But all the superiors were fooled by your attitude!
— The Garden of Sinners, film 5 : Spirale contradictoire (2008)
Ils ont essayé de le berner, mais il n'est pas tombé dans le panneau.
They tried to trick him, but he didn’t fall for it.