One side of his mouth turned up in a smile.
I felt his mouth move in a smile against my skin.
She included all three of them in a wide smile and turned to go.
Do not show your teeth for exactly the same reason, even in a smile.
His lips were full and turned up in a smile.
There was a bit of a challenge in her smile.
The flat cold quality was back in the man's smile.
As the woman walked by, her face broke out in a huge smile.
However, her face lit up in a smile when she heard his voice.
Something in his smile said he had been expecting me.