Words not in the dictionary

[livelong]

Thank you very much, Livelong. Does "Dạ Không" mean "yes" or "no" (if in response to a "phải kh̀̉ông" question)?

No, it doesn't.

Dạ không = no, thanks!
= no, noun/pronoun be not ( no, I'm not)
= no, noun/pronoun do/does/did not ( no, he didn't)

Good luck