su perro

his/her dog

→ su
phrase Common #5,192
his/her dog Su can also mean “your” (formal) or “their”; the context shows who owns the dog.
SP: Su perro duerme en el jardín.
EN: Her dog sleeps in the yard.

Este es su perro.

This is your dog.

La única compañía de Sami era su perro.

Sami's only companion was his dog.

Tom da un paseo con Mary y su perro cada día.

Tom takes a walk with Mary and her dog every day.

Su perro no es muy rápido.

Your dog isn’t very fast.

Su perro es su buen compañero.

His dog is his good companion.

¿Cómo está su perro?

How is your dog?

— Marty Supremo (2025)

Un perro perdido o su perro perdido.

A lost dog or your lost dog.

— Los 400 golpes (1959)

Acuérdate que todo dueño se parece a su perro.

Remember, every owner looks like their dog.

— Amores perros (2000)

Usted debe ocuparse de su perro.

You must take care of your dog.

¿Dónde está su perro?

Where is your dog?

Su perro siempre me ladra.

His dog always barks at me.

Pero, en realidad, estaba teniendo una crisis porque su perro había muerto.

But, in reality, he was having a crisis because his dog had died.

— Toni Erdmann (2016)

Tom se agachó junto a su perro.

Tom crouched down next to his dog.

Tom y su perro duermen en la misma habitación.

Tom and his dog sleep in the same room.

Su perro le sigue adondequiera que vaya.

His dog follows him wherever he goes.

Tom se puso de cuclillas al lado de su perro.

Tom squatted down next to his dog.

Era su perro.

It was his dog.

— Escondido (2005)

Aquí está su perro.

Here's your dog.

Ken le dijo a su perro que esperara allá.

Ken told his dog to wait over there.

Su tía cuida de su perro durante el día.

His aunt takes care of his dog during the day.

Tom sabe quién mató a su perro.

Tom knows who killed his dog.

Miré su perro ¡Ay, Dios!

I looked at his dog. Oh, God!

— Duro de matar (1988)

Antes del desayuno, ella lleva su perro al parque.

Before breakfast, she takes her dog to the park.

¿Es este su perro?

Is this your dog?

¿Y su perro?

And his dog?

— Atrápame si puedes (2002)

Mary se puso de cuclillas al lado de su perro.

Mary squatted down next to her dog.

Su perro me ladra.

His dog is barking at me.

Y mi niñera sigue lloriqueando por su perro muerto.

And my nanny is still whining about her dead dog.

— La Empleada (2025)

¿Cuál es su perro?

Which one is his dog?