Answer:
A young man wants to have me but when he has me he no longer wants me. Blade in hand he attacks me and does his best to remove me. Yet he knows that it is all in vain.
My teeth are sharp my back is straight to cut things up it is my fate.
What kind of dog keeps the best time?
I am seen in the water. If seen in the sky I am in the rainbow a jay's feather and lapis lazuli.
I have a hundred legs, but cannot stand. I have a long neck, but no head. I cannot see, and I'm neat and tidy, as can be. What am I?
I build up castles. I tear down mountains. I make some men blind. I help others to see.