1. You can rely on these keen-eyed bowmen to whittle down the enemy's numbers as they advance.

2. Obama is a keen-eyed traveller, and even a visit as circumscribed as a Presidential trip will reveal to him nuances of a country that never looks as monolithic as it does from Washington.

3. While purple-toed, keen-eyed hunters are just a made up example, a real animal that demonstrates this is the three-spined stickleback fish of western Canada.

4. Keen-eyed merchants are old hands at spotting these clipped coins, and will charge higher rates to accept such dubious looking currency.

5. If the nearer star has orbiting planets, keen-eyed observers can spot the subtle clues of their presence in the magnified light.

6. Our keen-eyed observers will also notice th at we can see the car's aggressive re ar diffuser peeking through a mesh screen.

7. Just yesterday, Gizmodo published a handful of images taken by a keen-eyed reader.

8. Many of their forests are no longer safe even for their keen-eyed archers and hardy warriors.

9. You'll never forget her as Kalinda Sharma, the sharp-tongued, keen-eyed investigator.