YOU SAID:

when you try your best but you don't succed

INTO JAPANESE

あなたが最善を尽くしたが、あなたは成功しなかった

BACK INTO ENGLISH

Did not succeed, you did the best you

INTO JAPANESE

成功しなかった、最善を尽くしたこと

BACK INTO ENGLISH

I did not succeed, I did my best

INTO JAPANESE

私は成功しなかった、ベストを尽くした

BACK INTO ENGLISH

I did my best, did not succeed

INTO JAPANESE

私はベストを尽くし、成功しなかった

BACK INTO ENGLISH

I tried my best and I did not succeed.

INTO JAPANESE

私はベストを尽くし、私は成功しなかった。

BACK INTO ENGLISH

I tried my best and I did not succeed.