1.
Birds have sharp eyes and dogs have sharp noses.
鸟有敏锐的视力, 而狗有灵敏的嗅觉。
2.
Having sharp, clear vision.
有敏锐、清楚的视力的
3.
Acute intuitive insight or perceptiveness.
洞察力敏锐直觉的洞察力或透视能力
4.
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。
5.
discriminating taste, judgement, etc
敏锐的鉴赏力、 判断力等
6.
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。
7.
Acuteness of perception, discernment, or understanding.
聪明，敏锐敏锐的洞察力、判断力或理解力
8.
Mentally acute or perceptive.
头脑敏锐，有洞察力的
9.
He was endowed with the power of acute observation.
他有敏锐的观察力。
10.
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。
11.
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。
12.
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
13.
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。
14.
razor-sharp wit,repartee,criticism,etc
极敏锐的智力、极巧妙的回答、极尖锐的批评.
15.
I kept my mental and critical faculties alive.
我保持着敏锐的思维能力和评判能力。
16.
keenly perceptive or alert.
敏锐的感知力的，或警觉的。
17.
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。
18.
He is scared by the quickness of her perception .
她敏锐的洞察力使他感到震惊。