YOU SAID:

私は日本語で話すのがそれほど難しいとは思いません。

INTO JAPANESE

私は日本語で話すのがそれくらい難しいとは思いません。

BACK INTO ENGLISH

I do not think that it is so difficult to speak Japanese.

INTO JAPANESE

日本語を話すのがそれほど難しいとは思いません。

BACK INTO ENGLISH

I do not think that it is so difficult to speak Japanese.