充要条件
chōng yào tiáo jiàn
Pinyin

Definition

充要条件
 - 
chōng yào tiáo jiàn
  1. necessary and sufficient condition

Character Decomposition

Related Words (20)

yāo
  1. 1 to demand
  2. 2 to request
  3. 3 to coerce
zhǔ yào
  1. 1 main
  2. 2 principal
  3. 3 major
  4. 4 primary
shì jiàn
  1. 1 event
  2. 2 happening
  3. 3 incident
  4. 4 CL:個|个[gè]
jiàn
  1. 1 item
  2. 2 component
  3. 3 classifier for events, things, clothes etc
chōng zhí
  1. 1 to recharge (money onto a card)
chōng zhí kǎ
  1. 1 rechargeable card
  2. 2 to recharge a card
chōng fèn
  1. 1 ample
  2. 2 sufficient
  3. 3 adequate
  4. 4 full
  5. 5 fully
  6. 6 to the full
chōng shí
  1. 1 rich
  2. 2 full
  3. 3 substantial
  4. 4 to enrich
  5. 5 to augment
  6. 6 to substantiate (an argument)
chōng mǎn
  1. 1 full of
  2. 2 brimming with
  3. 3 very full
  4. 4 permeated
zhǐ yào
  1. 1 if only
  2. 2 so long as
bì yào
  1. 1 necessary
  2. 2 essential
  3. 3 indispensable
  4. 4 required
xiǎng yào
  1. 1 to want to
  2. 2 to feel like
  3. 3 to fancy
  4. 4 to care for sb
  5. 5 desirous of
wén jiàn
  1. 1 document
  2. 2 file
  3. 3 CL:份[fèn]
tiáo jiàn
  1. 1 condition
  2. 2 circumstances
  3. 3 term
  4. 4 factor
  5. 5 requirement
  6. 6 prerequisite
  7. 7 qualification
  8. 8 CL:個|个[gè]
bǔ chōng
  1. 1 to replenish
  2. 2 to supplement
  3. 3 to complement
  4. 4 additional
  5. 5 supplementary
  6. 6 CL:個|个[gè]
yào mìng
  1. 1 to cause sb's death
  2. 2 very
  3. 3 extremely
  4. 4 frightening
  5. 5 annoying
yào shi
  1. 1 (coll.) if
yāo qiú
  1. 1 to request
  2. 2 to require
  3. 3 requirement
  4. 4 to stake a claim
  5. 5 to ask
  6. 6 to demand
  7. 7 CL:點|点[diǎn]
yào me
  1. 1 or
  2. 2 either one or the other
ruǎn jiàn
  1. 1 (computer) software

Idioms (18)

不要在一棵树上吊死
bù yào zài yī kē shù shàng diào sǐ
  1. 1 don't insist on only taking one road to Rome (idiom)
  2. 2 there's more than one way to skin a cat
充耳不闻
chōng ěr bù wén
  1. 1 to block one's ears and not listen (idiom); to turn a deaf ear
充饥止渴
chōng jī zhǐ kě
  1. 1 to allay one's hunger and slake one's thirst (idiom)
刀不磨要生锈,人不学要落后
dāo bù mó yào shēng xiù , rén bù xué yào luò hòu
  1. 1 a blade will get rusty if it is not sharpened; a man will fall behind if he doesn't study (idiom)
切中要害
qiè zhòng yào hài
  1. 1 to hit the target and do real damage (idiom)
  2. 2 fig. to hit where it hurts
  3. 3 fig. to hit home
  4. 4 an argument that hits the nail on the head
又要马儿跑,又要马儿不吃草
yòu yào mǎ r5 pǎo , yòu yào mǎ r5 bù chī cǎo
  1. 1 lit. you can't expect the horse to run fast but not let it graze (idiom)
  2. 2 fig. you can't have your cake and eat it, too
只要功夫深,铁杵磨成针
zhǐ yào gōng fu shēn , tiě chǔ mó chéng zhēn
  1. 1 If you work at it hard enough, you can grind an iron bar into a needle.
  2. 2 cf idiom 磨杵成針|磨杵成针, to grind an iron bar down to a fine needle (idiom); fig. to persevere in a difficult task
  3. 3 to study diligently
天要落雨,娘要嫁人
tiān yào luò yǔ , niáng yào jià rén
  1. 1 the rain will fall, the womenfolk will marry (idiom)
  2. 2 fig. the natural order of things
  3. 3 something you can't go against
打肿脸充胖子
dǎ zhǒng liǎn chōng pàng zi
  1. 1 lit. to swell one's face up by slapping it to look imposing (idiom); to seek to impress by feigning more than one's abilities
正中要害
zhèng zhòng yào hài
  1. 1 to hit the nail on the head (idiom)
死要面子活受罪
sǐ yào miàn zi huó shòu zuì
  1. 1 to go through hell for the sake of keeping up appearances (idiom)
汗牛充栋
hàn niú chōng dòng
  1. 1 lit. enough books to make a pack-ox sweat or to fill a house to the rafters (idiom); fig. many books
漏脯充饥
lòu fǔ chōng jī
  1. 1 to bury one's head in the sand (idiom)
滥竽充数
làn yú chōng shù
  1. 1 lit. to play the yu 竽 mouth organ to make up numbers (idiom); fig. to make up the numbers with inferior products
  2. 2 to masquerade as having an ability
  3. 3 token member of a group
画饼充饥
huà bǐng chōng jī
  1. 1 lit. to allay one's hunger using a picture of a cake
  2. 2 to feed on illusions (idiom)
简明扼要
jiǎn míng è yào
  1. 1 brief and to the point (idiom)
  2. 2 succinct
紧要关头
jǐn yào guān tóu
  1. 1 urgent and important moment (idiom); critical juncture
若要人不知,除非己莫为
ruò yào rén bù zhī , chú fēi jǐ mò wéi
  1. 1 If you don't want anyone to know, don't do it (idiom). fig. If you do something bad, people will inevitably hear about it.

Sample Sentences