不
bù
no; not so
(bound form) not; un-
不 — the negation word
不 originally depicted a bird flying upward and disappearing — something that goes beyond reach, hence negation. Its modern form no longer shows this clearly, but the meaning of absence and refusal has remained stable for millennia.
我今天不想吃饭。
wǒ jīn tiān bù xiǎng chī fàn。
I don't feel like eating today.
他不知道这件事情是真的。
tā bù zhī dào zhè jiàn shì qíng shì zhēn de。
He does not know that this matter is true.
Words with 不
亘古不变
gèn gǔ bù biàn
unchanging since times immemorial (idiom)
巴不得
bā bu de
(coll.) to be eager for
巴不能够
bā bù néng gòu
avid
瞧不起
qiáo bù qǐ
to look down upon; to hold in contempt
卧不安
wò bù ān
restless insomnia
临死不怯
lín sǐ bù qiè
equanimity in the face of death
这不
zhè bu
(coll.) As a matter of fact, ... (used to introduce evidence for what one has just asserted)
面露不悦
miàn lù bù yuè
to show unhappiness or displeasure (idiom)
逡巡不前
qūn xún bù qián
to hesitate to move forward
连绵不绝
lián mián bù jué
(idiom) continuous; unending
连续不断
lián xù bù duàn
continuous
进退不得
jìn tuì bù dé
can't advance or retreat (idiom); no room for maneuver