YOU SAID:

I told her everything and she sold me out.

INTO JAPANESE

私は彼女にすべてを話し、彼女は私を売り払った。

BACK INTO ENGLISH

I told her everything and she sold me off.

INTO JAPANESE

私は彼女にすべてを話し、彼女は私を売り払った。

BACK INTO ENGLISH

I told her everything and she sold me off.