his fault
Él me convenció de que no era su culpa.
He convinced me that it wasn't his fault.
No será su culpa, pero es su problema, porque voy a ir.
It won't be their fault, but it is their problem, because I am going to go.
— Oppenheimer (2023)
Culparon a Tom, a pesar de que no fue su culpa.
They blamed Tom, even though it wasn't his fault.
It was his fault, not the group’s.
— R.A.F. Facción del ejército rojo (2008)
Es su culpa que esté enamorado.
It's her fault that I'm in love.
— El cartero (y Pablo Neruda) (1994)
No importa si admite su culpa o no.
It doesn't matter whether he admits his guilt or not.
Me temo que él nunca admitirá su culpa.
I'm afraid he'll never admit his guilt.