Birds have sharp eyes and dogs have sharp noses.
鸟有敏锐的视力, 而狗有灵敏的嗅觉。
Having sharp, clear vision.
有敏锐、清楚的视力的
Acute intuitive insight or perceptiveness.
洞察力敏锐直觉的洞察力或透视能力
an incisive mind; a keen intelligence; of sharp and active intellect.
锐利的头脑；敏锐的智力；具有敏锐而活跃的智力。
discriminating taste, judgement, etc
敏锐的鉴赏力、 判断力等
However dark a night may be, an owl can see clearly .
不管夜多么漆黑，猫头鹰的视力都很敏锐。
Acuteness of perception, discernment, or understanding.
聪明，敏锐敏锐的洞察力、判断力或理解力
Mentally acute or perceptive.
头脑敏锐，有洞察力的
He was endowed with the power of acute observation.
他有敏锐的观察力。
old breed of tall swift keen-eyed hunting dogs resembling greyhounds; from Egypt and southwestern Asia.
高大敏捷、视力敏锐的古老品种，与灰狗相象；来自埃及和亚洲西南部。
Vision is much more acute at the fovea than at other portions of the retina.
在视网膜的中央凹的视力比网膜其他部份更敏锐。
Sensitivity of perception, discrimination, or taste; refinement.
敏锐，敏感洞察力、辨别力或品味的敏感；精密
keen-sighted viverrine of southern Asia about the size of a ferret; often domesticated.
大概为雪貂大小有敏锐视力的南亚灵猫；经常被家养。
razor-sharp wit,repartee,criticism,etc
极敏锐的智力、极巧妙的回答、极尖锐的批评.
I kept my mental and critical faculties alive.
我保持着敏锐的思维能力和评判能力。
keenly perceptive or alert.
敏锐的感知力的，或警觉的。
he reads to improve his mind; he has a keen intellect.
他有敏锐的智力,学习进步的很快。
He is scared by the quickness of her perception .
她敏锐的洞察力使他感到震惊。