「おまえわあまいぜ」 - You first learn あまい as a way to say something is sweet, candy for instance. The curious things is that the same word is used to describe naivity, softness(of character), unsactsfatory and many other things. Remember, kids, always be the right kind of sweet.

「十人十色」 - Juunin toiro

Literally meaning "Ten persons, ten colors", it means to each his own, that everyone has different tastes.