"Two reasons," Jones said, with a somewhat shamefaced grin.

He gave Alen and the trader a shamefaced grin as his guard sat him on a stool beside them.

'I'll phone them,' said Burden with a shamefaced grin.

He hung his head, with a shamefaced grin.

Then, with a shamefaced grin, he pulled out a bunch of keys.

With a shamefaced grin, he knocked on the rear screen door and came into the empty kitchen.

We exchanged slightly shamefaced grins, like two party guests looking for the back way out.

Peter followed directly behind her, tail between his legs, shamefaced grin on his face.

"Very funny," he muttered, glancing up at the animal with a shamefaced grin.

I raise my glass to Victor, and give what's meant to be a shamefaced grin but probably looks like a careless.