sharp-eyed

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

They were sharp-eyed, athletic-looking men, whose appearance on the island boded no good to one Craigie, alias Kemble.

They knew that the Pawnees were constantly moving about the plain, and they feared that some sharp-eyed scout might discover them.

The Provost-Sergeant had been watching them, at the instigation of a sharp-eyed, clerkly-looking man in semi-uniform.

He faced a tall, sharp-eyed man, who was in his shirt sleeves.

He was in no condition to meet that sharp-eyed, quick-tongued lady!