YOU SAID:

This is good and not good.

INTO JAPANESE

これは良くも悪くも。

BACK INTO ENGLISH

This is for better or worse.

INTO JAPANESE

これは良くも悪くもです。

BACK INTO ENGLISH

This is both good and bad.

INTO JAPANESE

これは良いことでもあり悪いことでもあります。

BACK INTO ENGLISH

This is both good and bad.