How Sir Gawain failed to stand the blow

Then the Green Knight made him ready, and grasped his grim weapon to smite Gawain. With all his force he bore it aloft with a mighty feint of slaying him: had it fallen as straight as he aimed he who was ever doughty of deed had been slain by the blow. But Gawain swerved aside as the axe came gliding down to slay him as he stood, and shrank a little with the shoulders, for the sharp iron. The other heaved up the blade and rebuked the prince with many proud words: