The man at the control tower seemed impressed by Corbish's knowledge of aeronautics.

The princess was impressed by his knowledge and spirit.

The judge was impressed by her knowledge of Iraqi law.

When I wrote, he was impressed by my knowledge of the.

The group was impressed by their guide's detailed knowledge of the territory.

It was plain that he was very much impressed by the young inventor's knowledge.

You are surprisingly impressed by your knowledge of rather simple concepts, at least they're simple for any conservative.

Shipley was impressed by his friend's knowledge and experience.

Impressed by his extensive knowledge, they welcomed him and he soon became a senior member of the group.

He was impressed by her knowledge of the subject.