After all, he was the only man that the Sea-Cook had feared.

But Peter had no sinking, he had one feeling only, gladness; and he gnashed his pretty teeth with joy.
Quick as thought he snatched a knife from Hook's belt and was about to drive it home, when he saw that he was higher up the rock that his foe.
It would not have been fighting fair.

He gave the pirate a hand to help him up.
It was then that Hook bit him.
Not the pain of this but its unfairness was what dazed Peter.

It made him quite helpless.

He could only stare, horrified.