不 bù

no; not so; (bound form) not; un-

need not

I'm sorry; excuse me; I beg your pardon; to let (sb) down; to disappoint

incorrect; wrong; amiss

is or isn't; yes or no; whether or not

not very; not too; not often

you're welcome; don't mention it; impolite

only; merely; no more than

don't!; must not

correct; right; not bad

different; distinct; not the same

many; a lot; not few

not enough; insufficient; inadequate

won't do; be out of the question; be no good

almost; nearly; more or less

not equal to; not as good as; inferior to

not long (after); before too long; soon

unceasing; uninterrupted; continuous

not just; not limited to; (as a correlative conjunction) not only (..., but also ...)

have no choice or option but to; cannot but; have to

need not; does not have to; not necessarily

Can you

whatever; no matter what (who, how etc); regardless of

unpeaceful; unstable; uneasy

not the only one; not only

not to be concerned; regardless of; no matter

not so; no; or else

unbearable; unable to endure; can't stand

not to care

can't say for sure; maybe

there's not enough time (to do sth); it's too late (to do sth)

amazing; terrific; extraordinary

inseparable; inevitably linked to

unimportant; not serious; it doesn't matter

to look down upon; to despise

only; merely; nothing but

misfortune; adversity; unfortunate

insufficient; lacking; deficiency

not to allow; must not; can't

incessantly; without end; more than

cannot help; unable to bear

unfavorable; disadvantageous; harmful

bad; harmful; unhealthy

not at all; simply (can) not

in spite of; regardless of

no more; no longer

not to see; not to meet; to have disappeared

never

unexpected; hard to imagine; it had not occurred to me

not only; not just

with great difficulty; very difficult

to be obstructed; to be blocked up; to be impassable

otherwise; or else; or

unlikely to go so far as to; not as bad as

inconvenient; inappropriate; unsuitable

not to know; unaware; unknowingly

otherwise; or else; how about...?

not to allow; to forbid; to prohibit

inconceivable (idiom); unimaginable; unfathomable

hardly; not in the least; not at all

not stint; not spare; not hesitate (to do sth)

never; will never

endlessly; incessantly

to stand out from the masses (idiom)

no wonder!; so that's why!