Answer:
I am never quite what I appear to be. Straight-forward I seem, but it's only skin deep. For mystery most often lies beneath my simple speech. Sharpen your wits, open your eyes, look beyond my exteriors, read me backwards, forwards, upside down. Think and answer the question...
My teeth are sharp, my back is straight, to cut things up it is my fate.
Take off my skin, I won't cry, but you will.
Which button does not function when being pressed?
A man shot two arrows at its center and missed both times, but using a sword swung once at its center and hit it twice.
Why was the cook arrested?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?