YOU SAID:

I don't actually like you that much

INTO JAPANESE

私は実際にはそんなにあなたを好きではない

BACK INTO ENGLISH

I do not really like you so much

INTO JAPANESE

私はあなたがあまり好きではない

BACK INTO ENGLISH

I do not care for you much

INTO JAPANESE

私はあなたのことをあまり気にしない

BACK INTO ENGLISH

I do not care much about you

INTO JAPANESE

私はあなたをあまり気にしない

BACK INTO ENGLISH

I do not care much about you