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字源zìyuánEtymology & Structure
字源洞见 zìyuán dòngjiàn · Etymological Insight
城 is a phono-semantic compound: 土 tǔ (earth, soil) carries the meaning, and 成 chéng (to complete; to accomplish) carries the sound. The logic is exact and physical. Before stone and brick, a Chinese city was defined by its rampart, and that rampart was rammed earth, layer pounded upon layer until a wall rose high enough to keep an army out. The character names the substance (土) and borrows a near-homophone (成) for the reading. Earth, completed into a wall.
The radical 土 is the same one that grounds 地 dì (earth, ground), 坐 zuò (to sit), 培 péi (to cultivate), and 墙 qiáng (wall). Whenever 土 sits on the left of a character, you are in the world of soil, the built and shaped ground, the earthworks of agriculture and defense. In 城 it points directly at the construction method: the wall was not quarried or felled, it was packed.
The most important thing to understand about 城 is that the wall and the city were never two ideas. In classical usage 城 is the wall, and a settlement only counted as a city if it had one. The English split between "city" and "city wall" does not exist here: to have a 城 is to be walled, and to be walled is to be a city. This is why a single character carries both senses without strain, and why so much of Chinese urban history is, quite literally, the history of these earthen rings.
The phonetic 成 is not silent freight. 成 means to complete, to bring to finished form, and a city wall was among the most demanding completions a pre-modern state could undertake: years of corvée labor, surveyed lines, gates, watchtowers. The character quietly records that a 城 is something achieved, an act of collective will rendered in compacted soil.
构词gòucíHow 城 Builds Words
构词规律 gòucí guīlǜ · The three working senses of 城城 as wall , the defended edge: 城墙 chéngqiáng (city wall) · 城门 chéngmén (city gate) · 长城 Chángchéng (the Great Wall) · 城楼 chénglóu (gate tower) 城 as settlement , the lived city or town: 城市 chéngshì (city) · 城镇 chéngzhèn (towns and cities) · 县城 xiànchéng (county seat) · 进城 jìnchéng (to go into town) 城 as enclosure , any walled complex: 古城 gǔchéng (ancient city) · 城堡 chéngbǎo (castle) · 围城 wéichéng (a besieged or encircled city)
The same character runs from the literal rampart to the abstract metropolis. When 城 names a wall, look for 墙, 门, 楼; when it names a settlement, look for 市, 镇, 区. The thread that connects them is the boundary: a 城 is always something with an inside and an outside.
城墙chéngqiángWall and Rampart
城墙chéngqiángcity wall; rampart
N 名词 míngcí
城 chéng (city; wall) + 墙 qiáng (wall). The original sense of 城 made explicit. Where 城 alone once meant the wall, modern Mandarin pairs it with 墙 to specify the physical structure as opposed to the city it encloses. The intact rings at Xi'an and Pingyao are the classic surviving examples, and the phrase carries the whole weight of pre-modern defense: rammed earth faced with brick, wide enough on top to march troops along.
西安的城墙保存得很完整。
Xī'ān de chéngqiáng bǎocún de hěn wánzhěng.
The city walls of Xi'an are very well preserved.
我们可以在城墙上骑自行车。
Wǒmen kěyǐ zài chéngqiáng shàng qí zìxíngchē.
We can ride bicycles on top of the city wall.
辨析 biànxī · Comparison
城墙 chéngqiáng is specifically a city wall, defensive and monumental. 墙 qiáng alone is any wall, including the one in your living room. 围墙 wéiqiáng is an enclosing wall around a yard or compound. Only 城墙 implies a whole settlement defended behind it.
长 cháng (long) + 城 chéng (wall). The name says exactly what it is: the long wall. Not a single structure but a system of fortifications built and rebuilt across many dynasties along the northern frontier, joining and extending older walls into the line most travelers know from the Ming-era brickwork near Beijing. The full formal name is 万里长城 Wànlǐ Chángchéng, the "ten-thousand-li long wall."
You are not a true hero until you have climbed the Great Wall.
城门chéngméncity gate
N 名词 míngcí
城 chéng (city; wall) + 门 mén (gate; door). The controlled opening in the wall, the single point where the inside and outside of a city legally met. City gates were closed at night, manned by guards, and named individually; a walled capital might have a dozen, each a landmark in its own right. The gate is where taxes were collected, travelers questioned, and, in war, where the decisive struggle was fought.
天黑以后城门就关了。
Tiān hēi yǐhòu chéngmén jiù guān le.
After dark the city gates were closed.
敌人攻破了城门。
Dírén gōngpò le chéngmén.
The enemy broke through the city gate.
文化 wénhuà · Culture
A folk saying warns 城门失火，殃及池鱼: when the city gate catches fire, the fish in the moat suffer too. People drew water from the moat to fight the blaze, draining it and stranding the fish. The line is a vivid figure for innocent bystanders harmed by a disaster not their own.
城市chéngshìCity and Town
城市chéngshìcity
N 名词 míngcí
城 chéng (walled settlement) + 市 shì (market). The most ordinary modern word for "city," and a fossil of how cities formed: a wall (城) for defense, a market (市) for exchange. The two together make the thing. 城市 is the everyday term across speech and writing, from 大城市 (big city) to 城市化 chéngshìhuà (urbanization), the single most consequential demographic story of modern China.
Yuèláiyuè duō de niánqīngrén bāndào chéngshì shēnghuó.
More and more young people are moving to cities to live.
辨析 biànxī · Comparison
城市 chéngshì is the neutral, all-purpose word for "city." 都市 dūshì leans literary and glamorous, evoking the bustle and sophistication of a great metropolis (都市生活, city life with a cosmopolitan shine). You live in a 城市; you romanticize the 都市.
城镇chéngzhèntowns and cities; urban areas
N 名词 míngcí
城 chéng (city) + 镇 zhèn (town). A collective term spanning the whole range of urban settlement, from large cities down to market towns, used especially in contrast to the countryside (农村 nóngcūn). It appears constantly in policy and statistics: 城镇人口 (urban population), 城镇居民 (urban residents), the dividing line in China's vast rural-to-urban transformation.
Chéngzhèn rénkǒu yǐjīng chāoguò le nóngcūn rénkǒu.
The urban population has now surpassed the rural population.
县城xiànchéngcounty seat; county town
N 名词 míngcí
县 xiàn (county) + 城 chéng (walled town). The administrative town at the center of a county, historically walled, the seat of the local magistrate. 县城 remains a meaningful unit of Chinese life today: the modest urban center where rural residents go for schools, hospitals, and government offices, a rung between the village and the big city.
他从村里搬到了县城。
Tā cóng cūn lǐ bāndào le xiànchéng.
He moved from the village to the county town.
进城jìnchéngto go into town; to go to the city
V 动词 dòngcí
进 jìn (to enter) + 城 chéng (city; town). A verb-object phrase: to go into the city. The expression preserves the old sense of the city as a bounded place one literally enters, crossing from outside to inside. Used by anyone heading from the outskirts or countryside toward the urban core, whether for shopping, business, or a day out.
古 gǔ (ancient; old) + 城 chéng (city). A city or walled district that preserves its historic fabric. The phrase covers both whole heritage towns, such as the 丽江古城 (Lijiang Old Town) and 平遥古城 (Pingyao Old Town), and the old quarter inside a modern city. To call a place a 古城 is to invoke its layered past, its surviving walls, lanes, and gates.
丽江古城每年吸引很多游客。
Lìjiāng gǔchéng měi nián xīyǐn hěn duō yóukè.
Lijiang Old Town attracts many tourists every year.
城堡chéngbǎocastle; fortress
N 名词 míngcí
城 chéng (wall; fortified place) + 堡 bǎo (fort; stronghold). A castle or fortress, the walled stronghold of a lord. 城堡 is the standard translation for the European castle, and the word most readers meet first in fairy tales and fantasy. The 堡 element, an earthen fort, also survives in many northern Chinese place names where old garrison forts once stood.
山顶上有一座古老的城堡。
Shāndǐng shàng yǒu yī zuò gǔlǎo de chéngbǎo.
There is an ancient castle on top of the mountain.
围城wéichénga besieged city; to lay siege to a city
V/N 动名词
围 wéi (to surround; to encircle) + 城 chéng (city). Literally an encircled city, both the act of besieging one and the besieged city itself. The word carries a famous second life as the title of Qian Zhongshu's novel 《围城》, whose central image, that marriage is a besieged fortress, those outside want in and those inside want out, has entered the language as a figure for any institution that looks better from the far side of its walls.
婚姻就像一座围城。
Hūnyīn jiù xiàng yī zuò wéichéng.
Marriage is like a besieged city.
文化 wénhuà · Culture
The "besieged city" image from Qian Zhongshu's novel is now proverbial: 城外的人想进去，城里的人想出来 (those outside the wall want in, those inside want out). It is quoted about marriage, careers, and any longed-for place that disappoints once entered.
成语chéngyǔIdioms & Set Phrases
万里长城wàn lǐ cháng chéngthe ten-thousand-li Great Wall: the Great Wall of China万 wàn = ten thousand; 里 lǐ = the Chinese mile (a traditional unit of distance); 长城 = the long wall. The full ceremonial name of the Great Wall, with 万里 standing for "immense in length" rather than an exact measurement. The phrase is also used figuratively for an impregnable defense or a person who shields the nation, as in 钢铁长城 (a Great Wall of steel), praise for the armed forces.
众志成城zhòng zhì chéng chéngunited wills form a city wall: unity is strength众 zhòng = the many; 志 zhì = will, resolve; 成 chéng = to form, to complete; 城 chéng = a city wall. When the will of the many is joined, it becomes a rampart no force can breach. The idiom turns the earthen wall into a metaphor for solidarity: a community bound by common purpose is itself a fortress. It is a staple of speeches in moments of national crisis or collective effort.
倾国倾城qīng guó qīng chéngto topple states and cities: a woman of overwhelming beauty倾 qīng = to overturn, to topple; 国 guó = state; 城 chéng = city. The image is hyperbolic: a beauty so dazzling that rulers neglect their duties and whole cities and states fall because of her. The phrase comes from a Han-era poem praising a legendary beauty, and it remains the highest classical compliment for a woman's looks, glamorous and faintly cautionary at once.
兵临城下bīng lín chéng xiàtroops at the foot of the wall: the enemy at the gates兵 bīng = soldiers, troops; 临 lín = to arrive at, to overlook; 城下 = below the city wall. The enemy army has reached the base of the wall, the last moment before a siege becomes an assault. Used both literally of military crisis and figuratively for any situation that has reached a desperate, do-or-die point with no more room to maneuver.
记忆法 jìyìfǎ · Master Retention Image
See the character build itself: 土 on the left is the heaped soil; 成 on the right gives the sound and, conveniently, the meaning "to complete." A 城 is earth completed into a wall. Hold that single picture and every sense of the character falls into place, because in Chinese the wall and the city were never separated. To have a wall was to be a city; to be a city was to be walled.
When 城 appears in a compound, ask which face of the wall it shows. In 城墙 and 城门 it is the literal rampart and its gate. In 城市 and 县城 it is the settlement the wall enclosed, the lived city. In 城堡 and 围城 it is the idea of enclosure stretched outward, to a fortress or to a siege. The earthen ring is always there, sometimes as stone underfoot, sometimes only as a figure of speech.
And the wall keeps turning into metaphor. 众志成城: joined wills become a rampart. 倾国倾城: a beauty that topples cities. 围城: the fortress everyone outside wants in, and everyone inside wants out. Once you see 城 as a boundary with an inside and an outside, these idioms stop being a list to memorize and become variations on a single, very old image: people gathered behind a wall of their own making.
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