YOU SAID:

The translation has become too good for this to be as entertaining as it used to be

INTO JAPANESE

翻訳があまりにも良くなりすぎて、以前ほど面白くなりませんでした

BACK INTO ENGLISH

The translation was so good that it wasn't as interesting as it used to be

INTO JAPANESE

翻訳はとても良かったので、以前ほど面白くありませんでした

BACK INTO ENGLISH

The translation was so good that it wasn't as interesting as it used to be