keen in Russian
keen in Russian
проница́тельный
(chiefly, Commonwealth) Often with a prepositional phrase, or with to and an infinitive: showing a quick and ardent responsiveness or willingness; eager, enthusiastic, interested.
сообрази́тельный
(chiefly, Commonwealth) Often with a prepositional phrase, or with to and an infinitive: showing a quick and ardent responsiveness or willingness; eager, enthusiastic, interested.
интенси́вный
Fierce, intense, vehement.
ре́зкий
Fierce, intense, vehement.
си́льный
Fierce, intense, vehement.
острый
Having a fine edge or point; sharp.
прони́зывающий
Of cold, wind, etc.: cutting, penetrating, piercing, sharp.
ре́зкий
Of cold, wind, etc.: cutting, penetrating, piercing, sharp.