YOU SAID:
I can not believe she would really do that to you
INTO JAPANESE
彼女が本当にそんなことをするなんて信じられない
BACK INTO ENGLISH
I can't believe she really did that.
INTO JAPANESE
彼女が本当にそんなことをしたなんて信じられない
BACK INTO ENGLISH
I can't believe she did that.
INTO JAPANESE
そんな失敗なんて信じられない
BACK INTO ENGLISH
I can't believe I did that.
INTO JAPANESE
そんな失敗なんて信じられない
BACK INTO ENGLISH
I can't believe I did that.
That didn't even make that much sense in English.