YOU SAID:

I’ve been cheated by you, since I don’t know when

INTO JAPANESE

いつごろから騙されていたのかわからない

BACK INTO ENGLISH

I don't know how long I've been fooled.

INTO JAPANESE

どれくらい騙されてきたかわからない。

BACK INTO ENGLISH

I don't know how much I've been deceived.

INTO JAPANESE

どれだけ騙されたか分からない

BACK INTO ENGLISH

I don't know how much you fooled me.

INTO JAPANESE

どれだけ騙されたか分からない

BACK INTO ENGLISH

I don't know how much you fooled me.