YOU SAID:
Man what the heck do you think you are doing?
INTO JAPANESE
あなたがやっていることだと思いますか?
BACK INTO ENGLISH
What do you think you are doing?
INTO JAPANESE
あなたがやっていることだと思いますか?
BACK INTO ENGLISH
What do you think you are doing?
That didn't even make that much sense in English.