He had sharp eyes, but of course that was his job.
He would have to keep a sharp eye on him.
They kept a sharp eye out for the two men, but did not see them.
Those sharp eyes would see whatever there was to be seen.
Keep a sharp eye open, and go on as they were!
She was a rather pretty French girl, with dark hair and sharp black eyes.
It took a sharp eye and more than a little experience.
Keep a sharp eye on this one until we know more about him, he sent.
After we pass the third one, we'll need to keep a sharp eye out.
His sharp black eyes didn't miss anything in my face.