sharp-eyed

Then, a sharp-eyed woman pointed out a ladder leaning against a tree on the side of the pond.

Behind this urn were several soldiers, and Mich'l recognized the sharp-eyed Captain Ilgen.

They were bright, sharp-eyed individuals, and they got down to business without delay.

A couple of days ago a sharp-eyed boy found something on the apple trees to which he called my attention.