I'm very impressed by Randall's keen powers of observation.

Her discomfort did not escape Khan's keen powers of observation.

Nunez's keen powers of observation make her a natural chronicler.

Much to the advantage of her thinking were her keen power and constant practice of observation.

So much for my keen detectively powers of observation.

And even when the war to end all wars was over, the powers once so keen on free trade erected tariff barriers.

For keen analytical power his German brethren compare him with Ricardo.

These deals underscored how important it is for curators everywhere to develop keen powers of persuasion.

Just what golden hamsters are using their keen powers of genealogical discrimination for in nature remains unknown.

One was all he needed to bring into play his keen powers of observation.