YOU SAID:

It's nobody's business, what I don't do with my free time.

INTO JAPANESE

私が自由時間を使ってやらないことは誰にも関係ありません。

BACK INTO ENGLISH

No one cares what I don't do in my free time.

INTO JAPANESE

私が自由時間に何をしていても誰も気にしません。

BACK INTO ENGLISH

No one cares what I do in my free time.

INTO JAPANESE

私が自由時間に何をしているか誰も気にしません。

BACK INTO ENGLISH

No one cares what I do in my free time.