YOU SAID:

Or if they did not fail then at least they didn't succeed.

INTO JAPANESE

あるいは失敗しなければ、少なくとも成功しませんでした。

BACK INTO ENGLISH

Or at least it didn't succeed if it didn't fail.

INTO JAPANESE

あるいは少なくとも失敗しなかったとしても成功しなかった。

BACK INTO ENGLISH

Or at least it didn't succeed but it didn't succeed.

INTO JAPANESE

または少なくとも成功しなかったが成功しなかった。

BACK INTO ENGLISH

Or at least not successful but not successful.

INTO JAPANESE

または少なくとも成功していないが成功していない。

BACK INTO ENGLISH

Or at least not successful but not successful.