YOU SAID:

I just cannot beleive how completley an utterly stupid you are you complete idiot, you silly, sussy baffoon.

INTO JAPANESE

私はあなたが完全に愚かであるかを信じられないほど信じられません、あなたは愚かで、不機嫌なバフーンです。

BACK INTO ENGLISH

I can't believe you're completely stupid, you're stupid, grumpy buffoon.

INTO JAPANESE

私はあなたが完全に愚かであるとは信じられません、あなたは愚かで不機嫌そうな道化師です。

BACK INTO ENGLISH

I can't believe you're completely stupid, you're a stupid and grumpy clown.

INTO JAPANESE

私はあなたが完全に愚かであるとは信じられません、あなたは愚かで不機嫌そうなピエロです。

BACK INTO ENGLISH

I can't believe you're completely stupid, you're a stupid and grumpy clown.