eagles have sharp eyesite.
They need their keen eyes to see their prey or food from high above the ground.
Mustard has a sharp or keen taste. "Keen as mustard" means being sharp-minded.
The goddess known for her gray eyes is Athena, the Greek goddess of wisdom and warfare. She is often depicted with sharp, penetrating gray eyes that symbolize her keen intellect and keen perception.
Keen is an adjective. It is used to describe a noun or a pronoun as sharp, or finely sharpened. Examples include a keen edge, keen wind, keen eyes, keen mind.
"Keen" can mean either sharp or eager.
That is the correct spelling of the adjective "keen" (sharp, aware, or nifty).
Eagles find their prey by sight. Like all birds of prey, eagles have keen eyesight. A golden eagle can spot a rabbit's slightest movement on the ground from over a mile away.
Sharp is a noun, not a verb, and a replacement might be, "Keen"
Kin pronounced "keen" as in, you have keen eyes
Sharp; having a fine edge or point; as, a keen razor, or a razor with a keen edge., Acute of mind; sharp; penetrating; having or expressing mental acuteness; as, a man of keen understanding; a keen look; keen features., Bitter; piercing; acrimonious; cutting; stinging; severe; as, keen satire or sarcasm., Piercing; penetrating; cutting; sharp; -- applied to cold, wind, etc, ; as, a keen wind; the cold is very keen., Eager; vehement; fierce; as, a keen appetite., To sharpen; to make cold., A prolonged wail for a deceased person. Cf. Coranach., To wail as a keener does.
Yes, also acute