YOU SAID:

I don't know much about history, psychology or biology.

INTO JAPANESE

歴史、心理学や生物学については分からない。

BACK INTO ENGLISH

I don't know about the history, psychology and biology.

INTO JAPANESE

歴史、心理学、生物学については知りません。

BACK INTO ENGLISH

I don't know about the history, psychology, and biology.

INTO JAPANESE

歴史、心理学、生物学については知りません。

BACK INTO ENGLISH

I don't know about the history, psychology, and biology.