YOU SAID:

Dude, I really am not doing great in school

INTO JAPANESE

おい、私は本当に学校で素晴らしいことをしていない

BACK INTO ENGLISH

Hey, I'm not really doing great at school

INTO JAPANESE

ねえ、私は本当に学校で素晴らしいやっていません

BACK INTO ENGLISH

Hey, I'm not really doing great at school