su silla

his/her chair

→ su
phrase Uncommon #22,338
his/her chair Su can also mean “your” (formal) or “their”; the owner is clear from context.
SP: Dejó el libro sobre su silla.
EN: He left the book on his chair.

El capitán de nave Ehlers se recostó en su silla y se acarició la barbilla.

Spaceship Captain Ehlers leaned back in his chair and stroked his chin.

Tom dejó el tenedor y empujó su silla hacia atrás.

Tom put down his fork and pushed his chair back.

Tom casi se cayó de su silla.

Tom almost fell out of his chair.

Se recostó en su silla.

He leaned back in his chair.

Caminaba por la casa, se sentaba en su silla, hablaba con su voz.

He walked around the house, sat in his chair, and spoke in his voice.

— Psicosis (1960)

Él se paró de su silla para darme la bienvenida.

He stood up from his chair to welcome me.

Sólo mantiene su silla caliente.

He's just keeping his seat warm.

— Vivir (1952)

Al escuchar la noticia, saltó de su silla.

Upon hearing the news, he jumped out of his chair.

Él sentado en su silla de nuevo.

He sat in his chair again.

Mary se desplomó sobre su silla.

Mary slumped into her chair.

Puesto que usted no puede hacer nada aparte de conducir su silla cerca de ella.

Since you can't do anything other than drive your chair near her.

— Amigos Intocables (2011)

No su silla, no por favor.

Not your chair, please.

— Nosotros los pobres (1948)

¿Y su silla y capa?

And his chair and cloak?

— La princesa Mononoke (1997)

Tom se derrumbó sobre su silla.

Tom collapsed into his chair.

Su silla.

Your chair.

— भाग मिल्खा भाग (2013)