YOU SAID:

No, no ,no I do not believe

INTO JAPANESE

いいえ、いいえ、いいえ私は信じていません。

BACK INTO ENGLISH

No, no, no, I don't believe.

INTO JAPANESE

信じないぞ

BACK INTO ENGLISH

I don't believe it.

INTO JAPANESE

そんなバカな。

BACK INTO ENGLISH

I don't believe it.