keenness
英 ['ki?nn?s]
美
- n. 敏銳；銳利
英英釋意
- 1. a quick and penetrating intelligence;
- "he argued with great acuteness"
- "I admired the keenness of his mind"
- 2. a positive feeling of wanting to push ahead with something
- 3. thinness of edge or fineness of point