She nodded and smiled guiltily as one of the histology techs passed by.

Sometimes I'll only do one,' he smiles guiltily.

He caught me looking at him and smiled guiltily.

When she voiced her concern, he smiled guiltily.

Poor man, I thought, smiling guiltily as I shut the door behind me.

The young man smiled guiltily; there was pleasure and fond memory in his face.

He smiled guiltily, like a small boy returning for dinner after running away from home for only an afternoon.

He smiled guiltily and ran down to the start.

I smiled guiltily, then placed my beer on the coffee table.

Joe grinned at her and she smiled guiltily back.