YOU SAID:
Surely you can't be serious?
INTO JAPANESE
確かに深刻なことはないですか。
BACK INTO ENGLISH
Is certainly not that serious.
INTO JAPANESE
確かにないことは深刻です。
BACK INTO ENGLISH
Certainly is not serious.
INTO JAPANESE
確かに深刻ではないです。
BACK INTO ENGLISH
Certainly serious, is not.
INTO JAPANESE
確かに深刻ではないです。
BACK INTO ENGLISH
Certainly serious, is not.
That didn't even make that much sense in English.