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(simplified/traditional) Chengyu Chengyu.svg
成语/成語 (simplified/traditional) Chéngyǔ

Chengyu (traditional Chinese : 成語 ; simplified Chinese : 成语 ; pinyin :chéngyǔ; lit. '[already] made/formed words/speech') are a type of traditional Chinese idiomatic expression, most of which consist of four characters. Chengyu were widely used in Classical Chinese and are still common in vernacular Chinese writing and in the spoken language today. According to the most stringent definition, there are about 5,000 chéngyǔ in the Chinese language, though some dictionaries list over 20,000. Chéngyǔ are considered the collected wisdom of the Chinese culture, and contain the experiences, moral concepts, and admonishments from previous generations of Chinese. Nowadays, chéngyǔ still play an important role in Chinese conversations and education. [1] [2] Chinese idioms are one of four types of formulaic expressions (熟语/熟語, shúyǔ), which also include collocations (惯用语/慣用語 guànyòngyǔ), two-part allegorical sayings (歇后语/歇後語 xiēhòuyǔ), and proverbs (谚语/諺語 yànyǔ).


They are often referred to as Chinese idioms or four-character idioms; however, they are not the only idioms in Chinese.

Origins, construction, and interpretation

Chéngyǔ are mostly derived from ancient literature, including the pre-Qin classics, poetry from all periods of Chinese history, and late imperial vernacular novels and short stories. A small number were constructed in the 19th and early 20th centuries from Western source materials. Among the early classical literature, the lyrical imagery from the Shijing and the detailed and vivid stories recorded in the Zuozhuan and the Shiji serve as particularly rich source materials for chéngyǔ. Since the Shijing poems consist of four-character lines, some chéngyǔ are direct quotes from the Shijing. For example, 萬夀無疆 (wàn shòu wú jiāng, lit: "ten-thousand [year] lifespan without bound"), a traditional expression to wish someone a long life (often appearing on bowls and other tableware), quotes the poem "Tian Bao" (天保, poem #166) in the Lesser Court Hymns section of the Shijing. More commonly, however, chéngyǔ are created by succinctly paraphrasing or summarizing the original text, usually by selecting the most salient characters from the passage in question and inserting any necessary classical grammatical particles.

As such, chéngyǔ are fossilized expressions that use the vocabulary and follow the syntactic rules of Literary Chinese. Consequently, they convey information more compactly than normal vernacular speech or writing. They may contain subject and predicate and act as an independent clause (or even twin two-character independent clauses in parallel), or they may play the role of any part of speech in a sentence, acting syntactically as an adjective, adverb, verb, or noun phrase. In both speech and writing, they serve to succinctly convey a complex or multifaceted situation, scene, or concept, and used fittingly and elegantly, they also mark a speaker or writer's erudition.

The meaning of a chéngyǔ usually surpasses the sum of the meanings carried by the four characters, as chéngyǔ are generally meant to convey the message or moral of the myth, story or historical event from which they were derived. Thus, even after translation into modern words and syntax, chéngyǔ in isolation are often unintelligible without additional explanation. Since they often contain a classical allusion, known as a diǎngù ( 典故 ), elementary and secondary school students in greater China learn chéngyǔ as part of the classical curriculum in order to study the context from which the chéngyǔ was born.

Often the four characters reflect the moral behind the story rather than the story itself. For example, the phrase " 破釜沉舟 " ( Loudspeaker.svg pò fǔ chén zhōu , lit: "break the pots and sink the ships") is based on a historical account where the general Xiang Yu ordered his troops to destroy all cooking utensils and boats after crossing a river into the enemy's territory. He won the battle because of this "no-retreat" strategy. Thus, the idiom is used as a verb phrase with the meaning "to make an all-out effort to achieve success by the deliberate removal of recourse or backup." Similar phrases are known in the West, such as "Burning one's boats", "burning one's bridges", "Point of no return" or "Crossing the Rubicon".

Another example is " 瓜田李下 " ( Loudspeaker.svg guātián lǐxià , lit. "melon field, beneath the plums"). It is an idiom whose meaning relates to the appearance of misconduct or impropriety. It is derived from an excerpt of a Han era poem ( 樂府 君子 , Yuèfǔ Shī "Jūnzǐ Xíng"). The poem includes the lines, "Don't adjust your shoes in a melon field and don't tidy your hat under the plum trees" ( 瓜田 , Loudspeaker.svg gūatián bù nà lǚ, lǐ xià bù zhěng guān ), admonishing the reader to avoid situations where, however innocent, he might be suspected of doing wrong. The literal meaning of the idiom is impossible to understand without the background knowledge of the origin of the phrase.

Some idioms are so widely misunderstood that their literal meanings have overtaken their original ones. For example, "wind from an empty cave" (空穴來風, kōng xué lái fēng, viz. "hot air") is now currently mistakenly used to describe rumors without source when the actual meaning is the opposite. It used to describe rumors with actual, solid sources or reasons. Likewise, "bare-faced facing the emperor" (素面朝天, sù miàn cháo tiān, viz. "without makeup") is now misused to describe beauty that doesn't require make-up, e.g., when entering court. Its original meaning is "to be confident in one's true look".

However, not all chéngyǔ have stories to draw morals from. An example is 言而無信 (yán ér wú xìn, lit: "speaking, yet without trust"), referring to one who cannot be trusted despite what he says, an essentially deceitful person. It is generally acknowledged as a chéngyǔ as it comes from the Analects, a Chinese classic. The idiom is succinct in its original meaning and would likely be intelligible to anyone learned in formal written Chinese, though yán () is no longer commonly used as a verb.

There are a few chéngyǔ that are not four characters in length. An example is the seven-character 醉翁之意不在酒 (zuì wēng zhī yì bù zài jiǔ, lit: "The Old Drunkard's attention is not directed towards his wine"). This is a direct quote from Ouyang Xiu's essay An Account of Old Drunkard's Pavilion ( 醉翁亭記 , Zuiwengting Ji), in which the author ("Old Drunkard") expresses his true intention of enjoying the scenery of the mountains and rivers as he drinks. As an idiom, it expresses the situation where one does something with an ulterior though benign motive in mind.

Some chéngyǔ have English equivalents. For example, 言不由衷 (yán bù yóu zhōng, lit: "speak not from the bosom") and "to speak with one's tongue in one's cheek" share idiomatic meanings. The Chinese not having conducted maritime explorations of the North Atlantic during imperial times, the expression 冰山一角 (bīng shān yī jiǎo, lit: "one corner of an ice mountain") is a rare example of a chéngyǔ that emerged in the early 20th century after contact with the West as a translation of the expression "tip of the iceberg," thus sharing both their literal and idiomatic meanings. [3] Another expression 火中取栗 (huǒ zhōng qǔ lì, lit: "extracting chestnuts from the fire") originates from a La Fontaine fable means "to be duped into taking risks for someone else," used in much the same way as the expression "cat's paw" in English is another example of an "international" chéngyǔ. Though they are recent in origin, they are constructed using the vocabulary and syntax of Literary Chinese and fits within the four-character scheme, making them chéngyǔ.

Chinese idioms can also serve as a guide through Chinese culture. Chéngyǔ teach about motifs that were previously common in Chinese literature and culture. For example, idioms with nature motifs – e.g., mountains (山), water (水), and the moon (月) are numerous. Works considered masterpieces of Chinese literature such as the Four Great Classical Novels [4] – serve as the source for many idioms, which in turn condense and retell the story.

All Chinese people know idioms, though the total number known by any one individual will depend on their background. Idioms are such an important part of Chinese popular culture that there is a game called 成語接龍 (chéngyǔ jiēlóng, lit: "connect the chengyu") that involves someone calling out an idiom, with someone else then being supposed to think of another idiom to link up with the first one, so that the last character of the first idiom is the same as the first character of the second idiom, and so forth.


  1. Subject-Predicate Idiom – e.g., 螳螂捕蟬
  2. Interrelated Idiom – e.g., 情投意合

Chinese examples

The following three examples show that the meaning of the idiom can be totally different by only changing one character.

More Examples in Chinese
成語Literal MeaningFigurative MeaningEtymology
一箭雙鵰(yí jiàn shuāng diāo)kill two eagles/vultures with one arrowKill two birds with one stoneSee History of the Northern Dynasties
破釜沉舟(pò fǔ chén zhōu)break the cauldrons and sink the boatsburn bridges, i.e. commit oneself irrevocablySee Battle of Julu
指鹿為馬(zhǐ lù wéi mǎ)call a deer a horsedeliberately misrepresentSee Zhao Gao
樂不思蜀(lè bù sī shǔ)so happy as to forget Shuindulge in pleasuresSee Liu Shan
朝三暮四(zhāo sān mù sì)to say three in the morning and four in the eveningalways changing (new meaning), a change without any substantive difference (original meaning)See Zhuangzi
井底之蛙(jǐng dǐ zhī wā)a frog in the bottom of the wella person with limited outlookSee Zhuangzi
磨杵成針(mó chǔ chéng zhēn)grind an iron bar down to a fine needleto persevere in a difficult taskSee Li Bai
守株待兔(shǒu zhū dài tù)guard a tree-stump to wait for rabbitswait idly for a rewardSee Han Feizi
亡羊補牢(wáng yáng bǔ láo)to mend the pen after sheep are lostclose the stable door after the horse has bolted, i.e. try too late to prevent harmSee Warring States Records
三人成虎(sān rén chéng hǔ) Three men make a tiger repeated rumor becomes a factSee Warring States Records
完璧歸趙(wán bì guī zhào)return the jade to Zhao to return something intact to its rightful ownerSee Mr. He's jade
塞翁失馬(sài wēng shī mǎ) old man from the frontier lost his horse a blessing in disguiseSee Huainanzi
刻舟求劍(kè zhōu qiú jiàn)carve the boat in search of the swordapproach without considering the reality of a situationSee Lüshi Chunqiu
火中取栗(huǒ zhōng qǔ lì)take chestnuts out of the fireSomeone acting in another's interest (cat's-paw)Derived from The Monkey and the Cat
負荊請罪(fù jīng qǐng zuì)carrying a bramble and ask for punishmentoffer a humble apologySee Lian Po
紙上談兵(zhǐ shàng tán bīng)military tactics on papertheoretical discussion useless in practiceSee Zhao Kuo
畫蛇添足(huà shé tiān zú)to add feet when drawing a snaketo improve something unnecessarilySee Warring States Records
畫龍點睛(huà lóng diǎn jīng)to add eyes when painting a dragondoing something so well that it becomes powerful.See Zhang Sengyou
對牛彈琴(duì niú tán qín)playing the guqin to a cowto communicate well, you need to understand your audienceSee Mouzi Lihuolun
狼吞虎嚥(láng tūn hǔ yàn)swallow like tiger and devour like wolfeating food quickly and in a messy manner

Japanese examples

Yojijukugo is the similar format in Japanese. The term yojijukugo ( 熟語 , four character idiom) is autological. Many of these idioms were adopted from their Chinese counterparts and have the same or similar meaning as in Chinese. The term koji seigo ( 故事 成語 , historical idiom) refers to an idiom that comes from a specific text as the source. As such, the overwhelming majority of koji seigo comes from accounts of history written in classical Chinese. Although a great many of the Japanese four-character idioms are derived from the Chinese, many others are purely Japanese in origin. Some examples:

Korean examples

The Korean equivalent are Sajaseong-eo (사자성어). [5] They have similar categorization to Japanese ones, such as 고사성어 (故事成語) for historical idioms. [6]

See also

Dictionaries of Mandarin Chinese Idioms

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  1. "Useful Chinese Chengyu for Daily Conversation". maayot. Retrieved 30 Aug 2020.
  2. "Chinese Idioms or Chéngyǔ About Animals -". 2017-08-28. Retrieved 2018-09-01.
  3. Lo, Wing Huen (2003). Best Chinese Idioms (in English and Chinese). Vol. Three. Translated by Sun, Li Jie. Peace Book. ISBN   962-238-338-6.
  4. The Four Great Classical Novels are actually written in Early Vernacular Chinese, although they were intended for an educated audience and contain long passages in classical poetry and many classical allusions.
  5. "Structure of Korean Idioms". Archived from the original on 2014-05-12. Retrieved 2014-05-10.
  6. Structure of four character idioms".