YOU SAID:
omaewamoushindeiru nani?!
INTO JAPANESE
おまえももしんでるなに?
BACK INTO ENGLISH
What are you doing?
INTO JAPANESE
なにをしているの?
BACK INTO ENGLISH
What are you doing, man?
INTO JAPANESE
なにをしているの?
BACK INTO ENGLISH
What are you doing, man?
That didn't even make that much sense in English.