YOU SAID:

They're rather drunk now...

INTO JAPANESE

彼らは今ではなく酔っている.

BACK INTO ENGLISH

They now but not that drunk.

INTO JAPANESE

彼らは今、その飲酒しません。

BACK INTO ENGLISH

They are now, and not drinking.

INTO JAPANESE

彼らが今、飲んでいないと。

BACK INTO ENGLISH

And they don't drink now.

INTO JAPANESE

そして彼らは今飲まない。

BACK INTO ENGLISH

And they don't drink now.