YOU SAID:

That are things you'll never know.

INTO JAPANESE

キミは決して知る事であります。

BACK INTO ENGLISH

You should never know.

INTO JAPANESE

知っておくべきことはないです。

BACK INTO ENGLISH

There is no need to know that.

INTO JAPANESE

知っている必要はありません。

BACK INTO ENGLISH

You do not need to know.

INTO JAPANESE

あなたは知っている必要はありません。

BACK INTO ENGLISH

Do you know not.

INTO JAPANESE

あなたは知っていますか

BACK INTO ENGLISH

Do you know

INTO JAPANESE

あなたは知っていますか

BACK INTO ENGLISH

Do you know