Her presence filled him with keenness and excitement, he gravitated cunningly towards her, as if she had some unseen force of attraction. 戴维·赫伯特·劳伦斯.恋爱中的女人.
They are used chiefly in the sport of coursing, a work for which their peculiar shape, strength, keenness of sight and speed make them exceedingly well fitted. 佚名.神奇的知识之书.
With the healthy shame of a child, she blamed herself for her keenness of sight, in perceiving that all was not as it should be there. 伊丽莎白·盖斯凯尔.南方与北方.
This struck her as a clumsy evasion, and the thought gave a flash of keenness to her answer. 伊迪丝·华顿.快乐之家.
It might have been keenness, but it looked remarkably like misery. 查尔斯·狄更斯.匹克威克外传.
Often this keenness for new ideas led him into trouble with his employers; occasionally it was of real service. 鲁伯特·萨金特·荷兰.历史性发明.
Oh the first manifestation of the unusual phenomena in November, 1875, Edison's keenness of perception led him at once to believe that he had discovered a new force. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.