his/her smile
Her smile expressed joy.
He was attracted by her smile.
Her smile expressed love.
Cuanto más hablaba, más amplia se hacía su sonrisa.
The more he spoke, the wider his smile became.
Tom no podía contener su sonrisa.
Tom couldn't contain his smile.
Detrás de su sonrisa, él oculta un corazón vil.
Behind his smile, he hides a vile heart.
Su sonrisa es mi victoria ¿Cómo podría perderme en mi camino?
Her smile is my victory; how could I lose my way?
— Gully Boy (2019)
Su sonrisa expresaba su gratitud.
Her smile expressed her gratitude.
Su sonrisa indica que me ha perdonado.
Her smile indicates that she has forgiven me.
I love her smile.