- keenness
 - n. 敏锐;锐利
 
参考例子
           - 1.The razor-blade is proud of its keenness when is sneers at the sun.
 - 剃刀的刀口以它的锋利自傲,当它向太阳嘲笑时。
 
- 2.The scabbard is content to be dull when it protects the keenness of the word.
 - 剑鞘保护剑的锋利,自己却满足于它自己的迟钝。——泰戈尔。
 
- 3.St John approved of my keenness to work, and promised to find me some paid employment.
 - 圣约翰赞同我对工作的迫切要求,答应帮我找份挣钱的工作。
 
英文解释
           - n.
 - 1.a quick and penetrating intelligence
 - 2.a positive feeling of wanting to push ahead with something
 - 3.thinness of edge or fineness of point
 
网络释义
               - keenness
 - 锋利; 敏锐; 锐敏度; 热心;
 
- acumination keenness sharpness trenchancy
 - 锐利;
 
- acuity edge keenness
 - 尖锐;
 
- keenness rat hole
 - 方钻杆用鼠洞;
 
- have a thin skin keenness sensitivity susceptivity tenderness
 - 敏感;