keenness

音标['ki:nnis] 读音

汉语翻译

n. 锐利, 尖锐, 敏感

英语解释：

名词 keenness:

1. a quick and penetrating intelligence同义词：acuteness, acuity, sharpness
2. a positive feeling of wanting to push ahead with something同义词：eagerness, avidity, avidness
3. thinness of edge or fineness of point同义词：sharpness

例句：

1. The scabbard is content to be dull when it protects the keenness of the sword.刀鞘保护刀的锋利，它自己则满足于它的迟钝。
2. The general's speech infused keenness into the men.将军的演讲给人们注入了激情。