Pull out all the stops ( try one's best )

　　Hit the book:

　　Suck

　　Skinny

　　Creature

　　Starved

　　Whereas

　　Scour

　　Motivate

　　Tummy

　　No laughing matter

　　Trophy

　　Rigorous

　　Skinny people, those who seem to eat tons yet never gain weight, are probably the luckiest creatures in the whole world. Imagine eating whatever you want, without even bothering to exercise, yet having the body of a starved mode.