He grimaced, then gave her a deliberately guilty smile.
By this time, most of the women in my audience are suppressing guilty smiles.
"Oh, god, I'm sorry," she said with a guilty smile.
"Not really," she said with a small, guilty smile.
Then she looked at him with a guilty smile.
Tom shook his head, putting on a sheepish, guilty smile.
'I've even forgotten all about school,' she added with a guilty smile.
I saw the checked pants among the bushes and he come out in the open and give me a guilty smile.
He sat there another two minutes, and with a guilty smile went away.
"The galleries were cheering so hard," he said with a guilty smile.