su cómplice

his/her/their accomplice

→ su
phrase Rare #32,959
his/her/their accomplice “Su” can mean his, her, or their, depending on context; “cómplice” has the same singular and plural form, though its article or possessive may show the number.
SP: La policía encontró a su cómplice.
EN: The police found his accomplice.

Tom y su cómplice estaban armados con fusiles de asalto.

Tom and his accomplice were armed with assault rifles.

Es su cómplice, obviamente.

He's his accomplice, obviously.

— Fue solo un accidente (2025)

Estaré preparado para ella y su cómplice.

I'll be ready for her and her accomplice.

— Pacto de sangre (1944)

El primero que levante la vista del plato ése es su cómplice.

The first one to look up from his plate—that’s his accomplice.

— El espinazo del diablo (2001)

Descubriré a Bi Yen Ju Li y su cómplice.

I will uncover Bi Yen Ju Li and his accomplice.

— El tigre y el dragón (2000)

Que te obligó a ser su cómplice.

That forced you to be his accomplice.

— Familia en renta (2025)

Tom se negó a contarle a la policía quién fue su cómplice.

Tom refused to tell the police who his accomplice was.