YOU SAID:

If you try your best and you don't succeed, get a whooping it's all you need!

INTO JAPANESE

最善を尽くしても成功しない場合は、必要なのは百日咳だけです。

BACK INTO ENGLISH

If you do your best and it doesn't succeed, you only need whooping cough.

INTO JAPANESE

最善を尽くしても成功しない場合は、百日咳だけが必要です。

BACK INTO ENGLISH

If you do your best and you are not successful, you only need whooping cough.

INTO JAPANESE

最善を尽くして成功しなかった場合は、百日咳だけが必要です。

BACK INTO ENGLISH

If you do your best and do not succeed, you only need whooping cough.

INTO JAPANESE

最善を尽くして成功しない場合は、百日咳だけが必要です。

BACK INTO ENGLISH

If you do your best and do not succeed, you only need whooping cough.