YOU SAID:

I can not believe that I believed that you believed that dumb stupid lie.

INTO JAPANESE

あなたがそのくだらない愚かな嘘を信じていたことを私が信じていたことが信じられません。

BACK INTO ENGLISH

I can’t believe you believed that stupid stupid lie.

INTO JAPANESE

そんなバカな嘘を信じたなんて信じられない。

BACK INTO ENGLISH

I can't believe you believed such a stupid lie.

INTO JAPANESE

そんな愚かな嘘を信じたなんて信じられない。

BACK INTO ENGLISH

I can't believe you believed such a stupid lie.