no, not, a negation, denial, disavowal

if not, then, otherwise, else

to say no, deny, refuse, disavow, disclaim, reject

let it be no then, never mind

God knows, don't know

insist on refusal

constantly refuse

why not? surely, certainly, of course

nothing, none

never, definitely not

nothing, none

it is not known to me, I do not know, God knows, who knows

never ever, on no account, by no means

it matters little, never mind