otherwise; if not; or (else)

whether one can; whether it is possible

to declare to be untrue; to deny

is it possible or not?

to negate; to deny; to reject; negative (answer); negation

whether or not (at the end of a phrase)

to veto; to overrule

to negate; to deny; not

clogged; evil

can or cannot; is it possible?

veto power

veto

negative sentence

decline to comment; not express an opinion; be noncommittal; hedge

extreme sorrow turns to joy (idiom)

to refuse to comment; same as 不置可否

true negative (TN)

to deny flatly

(idiom) to evaluate the merits and demerits of; (esp. in formal, ethical or societal contexts) to critique; to judge