At the same time he was a keen observer of passing events.

But I am a keen observer of faces, and yours struck me.

The movement was not lost on the keen observer of character.

Being a keen observer, he noticed many small, round holes in the logs.

The owner of the show had been a keen observer of these preparations.

Other things equal, it is the keen observer who gets ahead.

Grant is a keen observer of how bizarre tactics of assimilation can become.

Borrowdean, always a keen observer of trifles, noticed the change in Mannering's face.

He was at times a keen observer of nature and again not, apparently.

This any keen observer, who need not necessarily be an expert, could see.

She was, besides, a keen observer who had studied much, but seen more.

Trifles light as air suggest to the keen observer the solution of mighty problems.

Then, in the third place, Bonaparte was a keen observer and a clever critic.

A keen observer needed no further explanation of the scene.

A young man in love is not a keen observer.

I am a keen observer and rarely miss such things.