He was a tall young man with a keen vivacious face.

It was in the faces of the men, keen and wolflike.

In his mind's eye he could see his father's keen face.

The cheers of the crowd brought dignity to his keen face.

His keen pale face was bowed over a tall card table.

A shadow of anger passed over the soldier's keen face.

The man who received him was tall and thin, with a keen face.

The glare of the match showed a keen, firm face.

I looked into the quiet gray eyes, upon the keen face.

Marguerite the while had not taken her eyes off the keen, shrewd face.