YOU SAID:

This thing used to be a lot funnier when translation wasn't as good.

INTO JAPANESE

このことは、翻訳がそれほど良くなかったときに以前よりずっと面白くなりました。

BACK INTO ENGLISH

This was much more interesting than before when the translation was not so good.

INTO JAPANESE

これは、翻訳があまり良くなかった以前よりもずっと面白かったです。

BACK INTO ENGLISH

This was much more interesting than before when the translation was not so good.