YOU SAID:

what is the who why and how you know

INTO JAPANESE

誰がなぜ、どうやって知っているのか

BACK INTO ENGLISH

who knows why and how

INTO JAPANESE

その理由と方法を誰が知っていますか

BACK INTO ENGLISH

Who knows why and how

INTO JAPANESE

その理由と方法は誰にも分からない

BACK INTO ENGLISH

No one knows why and how

INTO JAPANESE

その理由と方法は誰も知りません

BACK INTO ENGLISH

no one knows why and how

INTO JAPANESE

誰もその理由と方法を知りません

BACK INTO ENGLISH

no one knows why and how