YOU SAID:

I had no idea you were like this

INTO JAPANESE

あなたがこんな人だとは思いもしませんでした

BACK INTO ENGLISH

I never thought you were this kind of person

INTO JAPANESE

こんな人だとは思わなかった

BACK INTO ENGLISH

I didn't think you were that kind of person

INTO JAPANESE

そんな人だと思わなかった

BACK INTO ENGLISH

I didn't think you were that kind of person