He was attracted by her smile.
- Il était attiré par son sourire.
Her smile expressed her thanks.
- Son sourire exprimait sa gratitude.
I don't care if you don't like your Aunt Mary. You'll just have to grin and bear it while she's here.
- Je ne veux pas savoir si tu n'aimes pas ta tante Marie. Tu n'as qu'à juste te forcer à sourire et supporter tant qu'elle est ici.
He grinned broadly at us.
- Il nous fit un large sourire.
I saw a joyful smile on his face.
- Sur son visage, je vis un joyeux sourire.
She looked at him with a smile on her face.
- Elle le regarda, le sourire aux lèvres.