YOU SAID:

Hey what you doing mate

INTO JAPANESE

おい、何をしているんだ、相棒

BACK INTO ENGLISH

Hey, what are you doing, buddy?

INTO JAPANESE

ねえ、何をしてるの？

BACK INTO ENGLISH

Hey, what are you doing?

INTO JAPANESE

何やってんの？

BACK INTO ENGLISH

What are you doing?

INTO JAPANESE

何してるの？

BACK INTO ENGLISH

what are you doing?

INTO JAPANESE

何してるの？

BACK INTO ENGLISH

what are you doing?