YOU SAID:

This is way more challenging than it should be.

INTO JAPANESE

これは、それがすべきであるよりも難しいことです。

BACK INTO ENGLISH

This is more difficult than it should be.

INTO JAPANESE

これははるかに難しいです。

BACK INTO ENGLISH

This is much more difficult.

INTO JAPANESE

これははるかに困難です。

BACK INTO ENGLISH

This is much more difficult.