不足月

bùzúyuè

premature (birth, child)

不足道

bùzúdào

inconsiderable

不足挂齿

bùzúguàchǐ

not worth mentioning (idiom)

不足为奇

bùzúwéiqí

not at all surprising (idiom)

不足为虑

bùzúwéilǚ

to give no cause for anxiety

不足为训

bùzúwéixùn

not to be taken as an example

不足为道

bùzúwéidào

to be not worth mentioning

不足齿数

bùzúchǐshù

not worth mentioning

先天不足

xiāntiānbùzú

congenital deficiency

卑不足道

bēibùzúdào

not worth mentioning

微不足道

wēibùzúdào

negligible

HSK 6

睡眠不足

shuìmiánbùzú

lack of sleep

美中不足

měizhōngbùzú

everything is fine except for one small defect (idiom); the fly in the ointment

贫不足耻

pínbùzúchǐ

it is no disgrace to be poor (idiom)

贪心不足

tānxīnbùzú

avaricious and insatiable (idiom); greedy and never satisfied

不足的地方

bùzúdedìfang

defect

卑卑不足道

bēibēibùzúdào

to be too petty or insignificant to mention

不足为外人道

bùzúwéiwàiréndào

no use to tell others

学然后知不足

xuéránhòuzhībùzú

to learn is to know one's ignorance (the Book of Rites [[禮記|礼记<Lǐjì>]])

人心不足蛇吞象

rénxīnbùzúshétūnxiàng

a man who is never content is like a snake trying to swallow an elephant (idiom)