A prim smile, showing just the tips of her teeth.

Loris allowed himself a prim smile of satisfaction.

"I was told to keep working, and not worry," he said with a prim smile.

Fenross allowed himself a prim little smile.

The pointy-faced man had a prim little smile that irritated Hiram.

With a small, prim smile, he replied: "I have.

"So you didn't know me after all," said Val, wearing a prim little smile.

He gave a prim smile, looked at the bill and put some coins on the table.

Lizzie looked down her thin nose, a prim smile perched at the corners of her mouth.

"One of life's little ironies," she said with a prim smile.