no can do (informal)

I (or we) can't do it, it can't be done

no¹ /nō/

1. Used as a sentence substitute to express a negative answer, refusal, disapproval, disbelief or to acknowledge a negative statement (formerly used esp in response to a question or statement containing a negative, in contradistinction to nay, used to express simple negation until superseded in this function by no in early 17c)
2. Not so
3. Not
4. (with compar) in no degree, not at all

1. A denial
2. A refusal
3. A vote or voter for the negative

noˈ-man noun

Someone ready to say ‘no’

noˈ-no noun (pl noˈ-nos, noˈ-no's or noˈ-noes) (informal)

1. A failure, non-event
2. Something which must not be done, said, etc
3. An impossibility, non-starter

no can do see under can¹

no more

1. Destroyed
2. Dead
3. Never again, not any longer

not take no for an answer

To continue (with something) in spite of refusals

the noes have it

No-votes or no-voters are in the majority