So was an exceptionally keen eye for other men's strengths and weaknesses.

It is told with sympathy and an exceptionally keen sense of detail.

His body was eager for the attempt: heartbeat steady, vision exceptionally keen, legs moving smoothly and tirelessly.

Rattlesnakes have an exceptionally keen sense of smell.

Despite the distance, the clear air of these mountains made it easy to make out what was there-and Satiran's eyes were exceptionally keen.

The sound was a long way off, but Madig's hearing was exceptionally keen.

His windsearching ability is exceptionally keen even if his eyesight is not.

What sustained them all, even the insubordinate Wright, was an exceptionally keen sense of military propriety.

An exceptionally keen and daring patrol leader who has accounted for five enemy machines during the last month.

The beastmaster attending the eyrie this morning was a man of exceptionally keen vision.