YOU SAID:

When you try your best but you don't succeed...

INTO JAPANESE

あなたが最善を尽くすが、成功しないとき...

BACK INTO ENGLISH

When you do your best, but you do not succeed ...

INTO JAPANESE

あなたがベストを尽くしても成功しないときは...

BACK INTO ENGLISH

When you do the best you will not succeed ...

INTO JAPANESE

あなたがベストを尽くせば、あなたは成功しません...

BACK INTO ENGLISH

If you do your best, you will not succeed ...

INTO JAPANESE

最善を尽くすなら、成功するでしょう。

BACK INTO ENGLISH

If you do your best, you will succeed.

INTO JAPANESE

最善を尽くすなら、成功するでしょう。

BACK INTO ENGLISH

If you do your best, you will succeed.