1.Me in Japanese Watashi/Boccua
2.Idiot=Bakka
3.Cat=Neko
4.Impossible=Moonie
5.why=nande/douste?
6.what?=nande/douste under different circumstances
7.I know=wakkata (i think xD)
I cant think of anything else any Japanese people or people who can speak Japanese keep me posted please