YOU SAID:

Dang it, Ethan! Don't you know anything???

INTO JAPANESE

ダンはイーサンに!何も知らないの?

BACK INTO ENGLISH

Dan is Ethan! don't know anything?

INTO JAPANESE

ダンは、イーサンが!何も知らないか。

BACK INTO ENGLISH

Dan is Ethan! you know nothing.

INTO JAPANESE

ダンは、イーサンが!あなたは何も知らない。

BACK INTO ENGLISH

Dan is Ethan! you know nothing.