Does the author show a love for, and knowledge of, nature?

His books on music are very interesting showing great knowledge.

Race answered their questions and showed a good knowledge of his subject.

A lesser man would have had to show her his knowledge.

A 2 grade usually means that the student showed no or little knowledge in a subject.

He showed an ample knowledge of what was in the American press.

Yet his own words showed a knowledge of this terrain.

You showed a real knowledge of both the genre and the past six years!

Barry had shown an interest and knowledge of music even at an early age.

You really need to show a little more knowledge before wading in.