When by sheer concentration she thrust aside one rushing, swelling image, it retreated without fading into the others.

I heard a woman fall off her ladder from sheer concentration.

Perhaps two score succeeded in blasting down the defensive screens by sheer concentration of explosively released energy.

He had never seen such a demonstra-tion of sheer concentration.

But the sheer concentration of the players - soloist and orchestra alike - eventually exerted its spell.

Guards seemed to be loosing off shots blindly into the water, perhaps hoping to hit Benny by sheer concentration of fire.

His body virtually disintegrated under the sheer concentration of machine-gun fire.

I'd finally gotten over the embarrassment with the sheer concentration of prying the dried bits from his body.

But the evolution seemed incomplete in terms of sheer concentration and performance quality.

His ruddy brows drew together as though by sheer concentration he could recreate the scene she saw in her mind's eye, and identify the stranger.