Nor, my dear, does your own mother always escape the keen edge of your vivacity.
So keen the blade, so soft the touch, the sleeper did not wake!
His keen eyes had perceived Mary Turner's graces of form, her loveliness of face.
She had meant to wait; but, with his keen eyes on her, she could not dissemble.
But you would pardon me if you knew how much I have suffered from it, and how keen my remorse has been.
This proposition is one of keen interest in connection with aviation.
That was hardly possible, for Jane had a keen sense of humor.
The girl had been listening with keen interest, glancing from one to the other.
It will blunt the keen edge of sorrow, and smooth the asperities of adversity.
It fell as lightning falls, swift, keen, dazzling the eyes of all who watched.