best friend
Su mejor amigo le delató a las autoridades.
His best friend betrayed him to the authorities.
And his best friend shot him.
— Buena suerte, pásalo bien, no mueras (2026)
I'm his best friend.
Tengo un amigo policía y su mejor amigo también.
I have a friend who's a police officer, and his best friend is too.
— Tropa de élite (2007)
He's his best friend.
He thought he was his best friend.
She fell in love with her best friend.