YOU SAID:

Sometimes, I do not care

INTO JAPANESE

時々、私は気にしない

BACK INTO ENGLISH

Sometimes I don't care

INTO JAPANESE

そうじゃないならやらないわ

BACK INTO ENGLISH

If not, I won't do it.

INTO JAPANESE

もしそうでなければ、私はそれをしません。

BACK INTO ENGLISH

If not, I won't do it.