疏 (shū): to dredge, to clear away obstruction, thin

疏 (shū) is a Chinese character meaning “to dredge.” Classified as HSK Level 7-9 (HSK 3.0 Standard, CLEC 2022), it is composed of 疋 (structural) and 㐬 (structural). It ranks #1876 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 疏 walking 疋 through uncultivated land 㐬. Its radical form 疋 (bolt of cloth) appears in many related characters such as 疑 (yí, (bound form) to doubt).

Spoken pronunciation

Definitions

  1. to dredge
  2. to clear away obstruction
  3. thin

Etymology & Origin

疏

ideographicWalking 疋 through uncultivated land 㐬

Decomposition: ⿰疋㐬 (layout: left-right)

Stroke Order

1
2
3
4
5
6
7
8
9
10
11
12

Practice writing 疏 with real-time feedback — trace each stroke in the correct order and build muscle memory in the HanziFeed app.

Words & Compounds

Common Compounds

WordPinyinMeaning
疏散verbshū sǎnidle
疏远adjectiveshū yuǎnto drift apart
疏忽verbshū huto neglect
生疏adjectiveshēng shūunfamiliar
疏通verbshū tōngto unblock
疏松adjectiveshū sōngto loosen
疏漏verbshū lòuto slip up
稀疏adjectivexī shūsparse
疏于verbshū yúto fail to pay sufficient attention to
疏忽大意shū hu dà yìoversight
疏导verbshū dǎoto dredge
骨质疏松症gǔ zhì shū sōng zhèngosteoporosis
疏失nounshū shīto make a (careless) mistake
疏解shū jiěto mediate
疏理verbshū lǐto clarify (disparate material into a coherent narrative)
62
Total compounds
69
As first character
13
As last character
18
As middle character

疏 appears in 62 compound words: 69 as the first character, 13 as the last, and 18 in a middle position. Compound statistics computed from SUBTLEX-CH and HSK 3.0 vocabulary data.

Strongest Collocations

Characters that most frequently co-occur with 疏 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

散sàn
0.55811,927 co-occurrences
忽hū
0.5423,338 co-occurrences
稀xī
0.5313,394 co-occurrences
乞qǐ
0.4971,210 co-occurrences
丛cóng
0.466898 co-occurrences
远yuǎn
0.4442,300 co-occurrences
灌guàn
0.443966 co-occurrences
祸huò
0.43510 co-occurrences
奏zòu
0.4181,971 co-occurrences
漏lòu
0.407596 co-occurrences

Idioms & Chengyu (9)

暗香疏影àn xiāng shū yǐngHSK 7+

(poetic depiction of plum blossom)

phrase
才疏学浅cáishūxuéqiǎnHSK 7+

to be of humble talent and shallow learning

phrase
疏不间亲shū bù jiàn qīnHSK 7+

(idiom) outsiders should not come between close relatives

phrase
疏财仗义shūcái zhàngyìHSK 7+

willing to disperse money in order to uphold justice

phrase
疏财重义shū cái zhòng yìHSK 7+

distributing money, supporting virtue (idiom); fig. to give generously in a public cause

phrase
疏而不漏shū ér bù lòuHSK 7+

loose, but allows no escape (idiom, from Laozi 老子); the way of Heaven is fair, but the guilty will not escape

phrase
疏谋少略shū móu shǎo lüèHSK 7+

(idiom) unable to plan; inept at strategy

phrase
仗义疏财zhàngyìshūcáiHSK 7+

to be generous in aiding the needy; to give money for a righteous cause

phrase
疏水箪瓢shū shuǐ dān piáoHSK 7+

little water and few utensils; to live a frugal life (idiom)

phrase

Example Sentences

AI-Generated

疏字虽然难写,但意思很有趣。

shū zì suī rán nán xiě , dàn yì sī hěn yǒu qù .

The character "疏" may be difficult to write, but its meaning is quite interesting.

Hk01.comFeb 2026

中国35岁指挥家李疏瞳纽约车祸逝世 所在乐团以演奏中国音乐闻...

zhōng guó 3 5 suì zhǐ huī jiā lǐ shū 瞳 niǔ yuē chē huò shì shì suǒ zài lè tuán yǐ yǎn zòu zhōng guó yīn lè wén . . .

China's 35-year-old conductor Li Shutong died in a car accident in New York The orchestra is known for playing Chinese music...

It之家Feb 2026

科学家突破超疏水材料热稳定性难题,让热咖啡、热牛奶不再...

kē xué jiā tū pò chāo shū shuǐ cái liào rè wěn dìng xìng nán tí , ràng rè kā fēi , rè niú nǎi bù zài . . .

Scientists have broken through the thermal stability problem of superhydrophobic materials, so that hot coffee and hot milk are no more...

EttodayFeb 2026

今年春节海运疏运成长1成 航港局即时启动海空联防机制成...

jīn nián chūn jié hǎi yùn shū yùn chéng cháng 1 chéng háng gǎng jú jí shí qǐ dòng hǎi kōng lián fáng jī zhì chéng . . .

This year's Spring Festival maritime transport growth increased by 10%, and the Port Bureau immediately launched the sea-air joint defense mechanism...

StheadlineFeb 2026

牛池湾纪律部队宿舍天台梯间起火 50人疏散 警列纵火调查

niú chí wān jì lǜ bù duì sù shě tiān tái tī jiān qǐ huǒ 5 0 rén shū sàn jǐng liè zòng huǒ diào chá

A fire broke out in the roof stairwell of the Niuchiwan Disciplined Forces dormitory, 50 people were evacuated, and the police arson investigation was conducted

東森新聞Feb 2026

交通部长视察“春节疏运” 双铁携手疏运近900万人次

jiāo tōng bù cháng shì chá chūn jié shū yùn shuāng tiě xié shǒu shū yùn jìn 9 0 0 wàn rén cì

The Minister of Transportation inspected the "Spring Festival Transportation" and the two railways worked together to transport nearly 9 million people

Tatoeba

我外婆患有骨质疏松症。

Wǒ wàipó huànyǒu gǔzhìshūsōngzhèng.

My grandmother suffers from osteoporosis.

Tatoeba

我们有不到五分钟来疏散整栋楼的人。

Wǒmen yǒu bù dào wǔ fēnzhōng lái shūsàn zhěng dòng lóu de rén.

We have less than five minutes to evacuate the whole building.

Tatoeba

人们因为洪水被疏散了。

Rénmen yīnwèi hóngshuǐ bèi shūsàn le.

People were evacuated because of the flood.

Tatoeba

他责备了我的疏忽。

Tā zébèi le wǒ de shūhu.

He reprimanded me for my oversight.

Character Family

疋 Radical Family — Characters sharing the bolt of cloth radical

Related Characters

Homophones — Characters pronounced shū

Frequently Asked Questions

What does 疏 (shū) mean in Chinese?
疏 (shū) primarily means "to dredge." It is classified as HSK Level 7-9, making it an expert-level character. It ranks #1876 in character frequency.
What's the difference between 疏 and 厚?
疏 (shū) and 厚 (hòu) are often confused. antonym. The key distinguishing feature: 疏 (thin) vs 厚 (thick).
How many strokes does 疏 have?
疏 is written with 12 strokes. The correct stroke order matters for recognition and handwriting speed — practice with the animated guide above to build proper technique.
What is the radical of 疏?
The radical associated with 疏 is 疋 (bolt of cloth). This radical appears in many characters related to bolt of cloth.
What are the components of 疏?
疏 is composed of: 疋 (structural), 㐬 (structural). Its IDS decomposition is ⿰疋㐬 with a left-right layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 疏?
Common words with 疏 include: 疏散 (shū sǎn, "idle"); 疏远 (shū yuǎn, "to drift apart"); 疏忽 (shū hu, "to neglect"); 生疏 (shēng shū, "unfamiliar"); 疏通 (shū tōng, "to unblock"). There are over 62 compound words containing this character.
What characters sound the same as 疏 (shū)?
Several characters share the pronunciation shū: 数 (to count), 书 (book), 术 (method), 属 (category), and 6 more. Context and tones help distinguish between them in speech and writing.
Is 疏 the same in simplified and traditional Chinese?
Yes, 疏 is written the same way in both simplified and traditional Chinese.

Practice writing 疏 with real-time feedback

Trace stroke sequences, hear spoken pronunciation, and build lasting retention with spaced repetition in the HanziFeed app.

Character data sourced from Unihan (Unicode Consortium), SUBTLEX-CH frequency corpus (Cai & Brysbaert, 2010), and Make Me a Hanzi (stroke data). Collocation strength measured via NPMI (Normalized Pointwise Mutual Information). Verified by the HanziFeed linguistics team.

HSK classification follows the HSK 3.0 Standard (Center for Language Education and Cooperation, CLEC, 2022 revision). Idiom data from Wiktionary (CC BY-SA 3.0).

Data last verified: March 2026.