su sonrisa

his/her smile

→ su
phrase Rare #32,734
his/her smile Su can also mean “your” when addressing someone formally, or “their.” Its exact meaning depends on context.
SP: Su sonrisa me hizo sentir mejor.
EN: His smile made me feel better.

Su sonrisa es mi victoria ¿Cómo podría perderme en mi camino?

Her smile is my victory; how could I lose my way?

— गल्ली बॉय (2019)

Siempre que oigo esta canción, pienso en su sonrisa.

Whenever I hear this song, I think of her smile.

"Veo dulzura en su sonrisa."

I see sweetness in her smile.

— La Sociedad de los Poetas Muertos (1989)

Me encanta su sonrisa.

I love her smile.

Cuanto más hablaba, más amplia se hacía su sonrisa.

The more he spoke, the wider his smile became.

¿Cuál es su sonrisa irresistible?

What is his irresistible smile?

— El secreto de sus ojos (2009)

Su sonrisa expresaba alegría.

Her smile expressed joy.

Creo que deberíamos aprovechar de sus ojos azules, de su sonrisa.

I think we should take advantage of his blue eyes, his smile.

— No (2012)

Tom no podía contener su sonrisa.

Tom couldn't contain his smile.

Su sonrisa indica que me ha perdonado.

Her smile indicates that she has forgiven me.