Gordon's eyes sharpened a tad into a look Jake had seen many times before.
Kettle's eyes sharpened, and I knew that meant something to this man.
Suddenly, the smoke grew blacker, and his eyes sharpened a little.
He turned away, shaking his head, came back abruptly as Tony spoke, eyes sharpening.
The little eyes sharpened at the top of the thin nose.
Something was on his mind; she could see that with eyes sharpened by love.
Bryna's eyes sharpened as she took another step toward Nash.
His eyes sharpened almost instantly, as if he had momentarily forgotten himself but was now back in control.
His eyes, which had been a little out of focus, were sharpening.
He groaned out her name as his eyes sharpened like daggers.