YOU SAID:

If it's something I don't need to do, I won't do it, but if I have to, I'll do it quickly.

INTO JAPANESE

やらなくていいことならやらないけど、やらなきゃいけないことならさっさとやります。

BACK INTO ENGLISH

If I don't have to do it, I won't do it, but if I have to do it, I will do it quickly.

INTO JAPANESE

やらなくていいならやらないけど、やらなきゃいけないならさっさとやる。

BACK INTO ENGLISH

If you don't have to do it, don't do it, but if you have to do it, do it quickly.

INTO JAPANESE

やる必要がないならやらなくてもいいですが、やらなければならない場合はすぐにやりましょう。

BACK INTO ENGLISH

If you don't have to do it, don't do it, but if you have to do it, do it right away.

INTO JAPANESE

やる必要がないならやらなくてもいいですが、やらなければならないならすぐにやりましょう。

BACK INTO ENGLISH

If you don't have to do it, don't do it, but if you have to do it, do it right away.