Answer:
Man walks over, and man swims under. In times of war, it can be burned asunder. What is it?
What force and strength cannot get through. I, with a gentle touch, can do. Many in the street would stand. Were I not a friend at hand.
You can always see it, but it's too far away to touch. Mountains rest on it, and at sea it surrounds you. What is it?
Held firmly in the hands, like a sword it cuts deep. Bloodless strokes, all, then forward we leap.
You'll see savory dishes in Hong Kong sizzling in these.
You use it between your head and your toes, the more it works the thinner it grows.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?