He showed her a sardonic hidden smile, and his curiosity.

Just before the images faded, she offered a sardonic smile.

He turned back to the others with a sardonic smile.

At the thought, his lips curled in a sardonic smile.

One corner of her mouth lifted in a sardonic smile.

It helped that he gave her his sardonic smile again.

I knew that he was looking at me sideways, with a sardonic smile.

Then he gave the sardonic smile which was usual with him.

He allowed himself a sardonic smile and reached out with one hand to begin to scale the fence.

If she went down in trousers he would give one of those sardonic smiles.