son sourire

his/her smile

→ son
phrase Rare #29,835
his/her smile Possessive adjective; the English choice depends on context.
FR: Son sourire m’a rassuré.
EN: His smile reassured me.

Rob a son sourire des grands jours.

Rob has his usual big-day smile.

— Control (2007)

Son sourire indique qu'elle m'a pardonnée.

Her smile indicates that she has forgiven me.

Son sourire exprimait la joie.

Her smile expressed joy.

Je veux comprendre ce que voulait dire son sourire.

I want to understand what his smile meant.

— Battle Royale (2000)

Son sourire reste gravé dans ma mémoire.

Her smile remains etched in my memory.

Je ne me rappelle pas la dernière fois que j'ai vu son sourire.

I don't remember the last time I saw her smile.

Son sourire illumine la pièce.

Her smile lights up the room.

Il faut tirer parti de ses yeux bleus, de son sourire.

You have to make the most of his blue eyes and his smile.

— No (2012)

Son sourire.

Her smile.

Depuis qu'elle est partie, il a perdu son sourire.

Since she left, he has lost his smile.

Son sourire indique qu'elle m'a pardonné.

Her smile indicates that she has forgiven me.