1·They described him as a man of keen intellect.
他们把他描述成一个才思敏锐的人。
—— 《柯林斯英汉双解大词典》
2·Susan has a keen eye for detail, so each dress is beautifully finished.
苏珊对细节有敏锐的眼力，所以每件衣服都完成得相当漂亮。
—— 《柯林斯英汉双解大词典》
3·The blind have a keen touch.
盲人有敏锐的触觉。
—— 《新英汉大辞典》
4·Now some experts are proposing that we should take advantage of the teen brain's keen sensitivity to the presence of friends and leverage it to improve education.
现在一些专家提出，我们应该利用青少年的大脑对朋友在场的敏锐感知，并借助它来改善教育。
5·She has a keen understanding of financial markets, an appreciation for their imperfections and a strong belief that human suffering was more related to unemployment than anything else.
她对金融市场有着敏锐的理解，对金融市场的不完美有着深刻的认识，坚信人类的苦难与失业的关系是最大的。