YOU SAID:
Why are you so sure, that what you are now, isn’t good enough?
INTO JAPANESE
なぜあなたは、今の自分が十分ではないと確信しているのですか?
BACK INTO ENGLISH
Why are you convinced that you are not good enough?
INTO JAPANESE
なぜ自分は十分ではないと確信するのですか?
BACK INTO ENGLISH
Why are you convinced that you are not good enough?
That didn't even make that much sense in English.