YOU SAID:

She underestimated just who she was stealing from

INTO JAPANESE

彼女は彼女がから盗んでいた誰を過小評価

BACK INTO ENGLISH

She is she from who was stealing to underestimate

INTO JAPANESE

彼女は彼女を過小評価する人を盗んでいたからです。

BACK INTO ENGLISH

She was stealing to underestimate her.

INTO JAPANESE

彼女は彼女を過小評価して盗んでいた。

BACK INTO ENGLISH

She underestimated her, was stealing.

INTO JAPANESE

彼女は彼女を過小評価を盗んでいた。

BACK INTO ENGLISH

She was stealing to underestimate her.

INTO JAPANESE

彼女は彼女を過小評価して盗んでいた。