When his knees struck the edge of the tunnel he had dropped the candle.

His knee struck something, and there was a sudden bolt of pain.

A special rule was used for this fight to not allow any knee strikes on the ground.

He tackled low, and the player's knee struck his head at the base of the neck.

Her knees struck with a fierce pain, and she felt herself going over.

Her knee came up and struck him in the pit of his stomach.

This time, his knee struck bottom before the wave receded.

His knee struck it hard and gave under him, and he rolled forward.

Her other knee struck so hard that she felt it in her shoulder.

His knee buckled and struck the side of the ship.