YOU SAID:

Hm well can you actually be for certain that that is not the case?

INTO JAPANESE

うーん、そうではないことは確かなのでしょうか？

BACK INTO ENGLISH

Hmm, are you sure that's not the case?

INTO JAPANESE

うーん、本当にそうじゃないんですか？

BACK INTO ENGLISH

Hmm, isn't that really the case?

INTO JAPANESE

うーん、そういうことじゃないですか。

BACK INTO ENGLISH

Hmm, isn't that right?

INTO JAPANESE

そうじゃないの?

BACK INTO ENGLISH

Isn't that right?

INTO JAPANESE

そうじゃないの?

BACK INTO ENGLISH

Isn't that right?