There was a strange expression on her face which I did not understand.

George looked at him with a strange expression on his face.

She just looked at me with a very strange expression.

When she at last looked up, there was a strange expression on her face.

He was looking at the door, and his face had a strange new expression.

The doctor was waiting for her inside, with a strange expression on his face.

The man looked up at him again, and a strange expression came across his face.

He looked at her with a strange expression in his eyes.

He started back at the touch, with a strange expression.

He looked again at Miles with that strange expression, fear, and something else.