He gave the making of the spear his full concentration.

He gave his full concentration to the written data before him.

He played carefully, but with less than his full concentration.

So he set full concentration on his hand - his fingers.

Even when waiting for a wave, surfing requires full concentration.

And later, Winthrop could not be considered; he had become involved in another area of government that required his full concentration.

"Some say they'll take away from your full concentration on the sport, and maybe that's something like what happened to me."

He was more than happy with the conditions, even though his full concentration would be required for hour after hour.

That's why I have the full concentration on the mound.

Firing weapons in an open space battle was an art all its own, and required full concentration.