YOU SAID:

I don't know where you're going

INTO JAPANESE

どこに行くのかわからない

BACK INTO ENGLISH

I don't know where to go

INTO JAPANESE

どこへ行くを知っているしないでください。

BACK INTO ENGLISH

Wherever you go they know do not.

INTO JAPANESE

どこ彼らはしない知っています。

BACK INTO ENGLISH

Where they do not know.

INTO JAPANESE

どこ彼らは知らない。

BACK INTO ENGLISH

Where they do not know.