He looked at me instead, and I knew exactly what lay behind his smile.

I was afraid that she would sense the effort behind my smile.

Fine world, indeed, the captain thought behind a smile of agreement.

The meaning behind his smile left nothing to the imagination.

Nor did he try to hide his anger behind a smile.

She saw the troubled look in his eyes before he hid it behind a smile.

And then, when he saw her, the look was gone, camouflaged behind his smile.

But the humor behind his provocative smile told her that she'd missed the point.

At close quarters he could see the strain behind the Farmer boy's smile.

They say he has a rock-solid drive not always evident behind his big smile.