YOU SAID:
What are you doing, and why are you doing it
INTO JAPANESE
何をしているのか、なぜそれをしているのか
BACK INTO ENGLISH
What are you doing and why are you doing it?
INTO JAPANESE
何をしているの?なぜそうするの?
BACK INTO ENGLISH
What are you doing? Why would you do that?
INTO JAPANESE
何してるの?なぜそんなことを?
BACK INTO ENGLISH
What are you doing? Why would you do that?
That didn't even make that much sense in English.