YOU SAID:

if at last you dont succeed

INTO JAPANESE

ついに成功しなかった場合

BACK INTO ENGLISH

If you don't finally succeed

INTO JAPANESE

あなたが最終的に成功しない場合

BACK INTO ENGLISH

If you do not finally succeed

INTO JAPANESE

最終的に成功しない場合

BACK INTO ENGLISH

If it doesn't succeed in the end

INTO JAPANESE

最終的に成功しない場合

BACK INTO ENGLISH

If it doesn't succeed in the end