YOU SAID:

there's nothing better

INTO JAPANESE

より良いものは何もない

BACK INTO ENGLISH

There's nothing better.

INTO JAPANESE

それ以上のものはありません。

BACK INTO ENGLISH

There's nothing better than that.

INTO JAPANESE

それにより良いものはありません。

BACK INTO ENGLISH

There is nothing better about it.

INTO JAPANESE

それについてより良いことは何もありません。

BACK INTO ENGLISH

There is nothing better about it.