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.