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故 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
happeningHSK 7, n, 9 strokes, radical 攵, rank #9937, Hard
instanceHSK 7, n, 9 strokes, radical 攵, rank #9937, Hard
reasonHSK 7, n, 9 strokes, radical 攵, rank #9937, Hard
causeHSK 7, n, 9 strokes, radical 攵, rank #9937, Hard
intentionalHSK 7, n, 9 strokes, radical 攵, rank #9937, Hard
formerHSK 7, n, 9 strokes, radical 攵, rank #9937, Hard
oldHSK 7, n, 9 strokes, radical 攵, rank #9937, Hard
friendHSK 7, n, 9 strokes, radical 攵, rank #9937, Hard
thereforeHSK 7, n, 9 strokes, radical 攵, rank #9937, Hard
henceHSK 7, n, 9 strokes, radical 攵, rank #9937, Hard
(of people) to die, deadHSK 7, n, 9 strokes, radical 攵, rank #9937, Hard
(gu4) T4
  1. 1happening
  2. 2instance
Listen to the audio pronunciation 3 times to gain XP
March 24, 2026
(gu4)

The character 故 (gù) primarily refers to a reason or cause for an event or situation. It is often used in contexts where one explains the rationale behind actions or occurrences, making it common in both formal and informal discussions.

Strokes9RadicalFrequency#9937DifficultyHard
Cultural Note

The use of 故 in historical texts, such as in phrases like 故宫 (Gùgōng, the Forbidden City), highlights its connection to China's rich history and cultural heritage.

Memory Tip

Imagine a wise old friend (the 'former' meaning) explaining the reason behind a past event. Picture them pointing to an ancient scroll (the character's form) that reveals the 'cause' of a historical happening.

Meanings of 故

(gu4)
1happening
2instance
Exercise 1 of 2

Listen & Choose the Meaning

Choose the correct answer:

About 故

Simplified
9Strokes
Radical
连词连词conjunction (conj.)Part of Speech
#9937Frequency Rank
HSK 3.0L7AdvancedCEFRC2

Podcast: 故

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Podcast:

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AI Study Notes for 故

Quick Contrast

故 (gù) vs 理 (lǐ) — use 故 when emphasizing the cause or reason behind something, while 理 focuses more on the principle or rationale.

Memory Mnemonic

Imagine a wise old friend (the 'former' meaning) explaining the reason behind a past event. Picture them pointing to an ancient scroll (the character's form) that reveals the 'cause' of a historical happening.

Usage Notes

Common mistakes include confusing 故 with similar characters like 故事 (gùshì, story) or using it inappropriately in casual conversations. It tends to appear in more formal contexts, so be mindful of the register when using it.

HSK Study Tips

While 故 is not part of the HSK vocabulary list, it relates to other HSK words like 原因 (yuányīn, reason) and 事情 (shìqíng, matter/event). Focus on its use in forming compound words and phrases.

Cultural Note

The use of 故 in historical texts, such as in phrases like 故宫 (Gùgōng, the Forbidden City), highlights its connection to China's rich history and cultural heritage.

Common Mistakes

Learners often confuse 故 with its homophones like 古 (gǔ, ancient) and mistakenly use it in phrases unrelated to reason. For example, saying '故老' when they mean '古老' (meaning ancient) is incorrect.

AI-enhanced 2026-03-24

Pronunciation of 故

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Etymology of 故

Formation Typepictophonetic
六书 ClassificationPhono-semantic (形声字)~80-90% of characters
Explanation

Phonosemantic compound. 攵 represents the meaning and 古 represents the sound.

Memory Hint

tap

Semantic (meaning)
+
Phonetic (sound)
Learn more about Phono-semantic (形声字) characters
Exercise 1 of 1

Character Formation Type

What type of character formation is 故?

Decomposition of 故

IDS Structure⿰古攵
Full Character
=
Gu3
left
pu1
right
Exercise 1 of 2

Identify the Components

Which of these is a component of 故?

Write 故

Practice writing stroke by stroke. Watch the animation to learn the stroke order, then try writing it yourself.

Write correctly 3 times to earn XP

Grammar Patterns of 故

故 functions as a noun — it names a person, place, thing, or concept. Place it as a subject before the verb (主+谓) or as an object after the verb (谓+宾). Most Chinese nouns require a measure word between the number and the noun (e.g. 一个/三本). It carries 11 related meanings, each with its own usage notes below. The example sentences below show it in action, with practice buttons (Listen, Practice Writing, Practice Speaking) on every line.

Exercise 1 of 4

Complete the Sentence

他____意提高声音。

He deliberately raised his voice.

Common Confusions with 故

vs

Similar sound and shape, but different meanings.

Exercise 1 of 1

Spot the Difference

Which character means "happening"?

or

Usage Notes for 故

Misinterpretation of 故Common Error

Learners often confuse 故 as solely meaning 'old' or 'former', while it can also imply 'cause' or 'reason'.

1

故意

intentional

2

故障

malfunction

Exercise 1 of 1

Fill in the Blank

____意

intentional

Example Sentences for 故 (10)

Listen to all sentences once to receive XP
1
我的故乡伊利诺伊州一马平川。

wǒ de gù xiāng yī lì nuò yī zhōu yī mǎ píng chuān。

My home state of Illinois is flat as a pancake.
2
露西的冷淡与世故使得巴里十分不快。

lòu xī de lěng dàn yǔ shì gù shǐ dé bā lǐ shí fēn bù kuài。

Barry had his nose put out of joint by Lucy's aloof sophistication.
3
库克船长驾驶的船安全出航100次无事故。

kù kè chuán cháng jià shǐ de chuán ān quán chū háng100 100 cì wú shì。

Captain Cook safely navigated his ship without accident for 100 voyages.
4
惠特比镇因为布拉姆·斯托克著名的吸血鬼故事而名传后世。

huì tè bǐ zhèn yīn wéi bù lā mǔ· · sī tuō kè zhù míng de xī xiě guǐ gù shì ér míng chuán hòu。

The town of whitby was immortalised in Bram Stoker's famous Dracula story.
5
为了故意作对而继续这样做是不对的。

wéi le gù yì zuò duì ér jì xù zhè yàng zuò shì bù duì de。

It would be wrong to continue out of perversity.
6
还有几次事故主要是起飞时引擎出现故障造成的。

huán yǒu jī cì shì gù zhǔ yào shì qǐ fēi shí yǐn qíng chū xiàn gù zhàng zào chéng de。

There were also several accidents mainly caused by engine failures on take-off.
7
人们认为这些袭击是为了故意破坏会谈。

rén mén rèn wéi zhè xiē xí jī shì wéi le gù yì pò huài huì tán。

These attacks are seen as an effort to torpedo the talks.
8
公民抗命,不管是暴力还是非暴力的,都是故意犯法。

gōng mín kàng mìng, , bù guǎn shì bào lì huán shì fēi bào lì, de , dū shì gù yì。

Civil disobedience, violent or non-violent, is intentional law breaking.
9
遗憾的是,这个快乐的故事结局却比较伤感。

yí hàn de shì, , zhè gè kuài lè de gù shì jié jú què bǐ jiào shāng。

Unfortunately, this happy story finishes on a more sombre note.
10
马赫福兹先生讲述的故事过于宏大,主题有些混乱了。

mǎ hè fú zī xiān shēng jiǎng shù de gù shì guò yú hóng dà, , zhǔ tí yǒu xiē hùn luàn。

The themes get tangled in Mr. Mahfouz's epic storytelling.

Cultural Notes for 故

💡Did you know?

The character 故 is an essential part of many idioms and phrases in Chinese, often relating to history and tradition, reflecting the value placed on the past in Chinese culture.

🏮Cultural insight

The use of 故 in historical texts, such as in phrases like 故宫 (Gùgōng, the Forbidden City), highlights its connection to China's rich history and cultural heritage.

📜Proverb

The saying '故人相聚' means 'old friends reunite', highlighting the importance of maintaining relationships with those from our past.

Word Family of 故

Compounds1
zuo4to do
Words Containing This Character20
故事gùshinarrative
事故shìgùaccident
故意gùyìdeliberately
happening
故障gùzhàngmalfunction
缘故yuángùreason緣故
故乡gùxiānghome故鄉
无缘无故no cause, no reason (idiom); completely uncalled for無緣無故
已故the late
故宫the Forbidden City故宮
无故wúgùwithout cause or reason無故
变故biàngùaccident變故
世故shìgùsophisticated
何故what for?
故而therefore
典故classical story or quote from the literature
故人old friend
故里hometown
故此therefore
故居former residence
Exercise 1 of 4

Compound Meaning

What does 做 mean?

Frequently Asked Questions about 故

While 故 (gù) can mean 'cause' or 'reason', 原因 (yuányīn) specifically refers to 'reason' in a more causal sense. 故 may also imply a more intentional or historical context, whereas 原因 is often used in scientific or logical discussions. Understanding the context will help you decide which term to use.