YOU SAID:

My desk is somewhat aesthetic, but my brother thinks otherwise.

INTO JAPANESE

私の机はやや美しいですが、私の兄はそうでないと思います。

BACK INTO ENGLISH

My desk is a little beautiful, but I don't think my brother is.

INTO JAPANESE

私の机は少し美しいですが、私の兄はそうだとは思いません。

BACK INTO ENGLISH

My desk is a little beautiful, but I don't think so.

INTO JAPANESE

私の机は少し美しいですが、私はそうは思いません。

BACK INTO ENGLISH

My desk is a little beautiful, but I don't think so.