behind him
Tenía un ejército detrás de él, la Brigada Blanca.
He had an army behind him, the White Brigade.
— Amores perros (2000)
Pasé detrás de él sin que se diera cuenta.
I walked past him without him noticing.
He heard something behind him.
Y tenía un edificio hecho de huesos detrás de él.
And he had a building made of bones behind him.
— 28 años después: El templo de los huesos (2026)
We are behind him.
He heard something behind him.
Tom entró a su apartamento y cerró la puerta detrás de él.
Tom entered his apartment and closed the door behind him.
Él cerró la puerta detrás de él.
He closed the door behind him.