司 (sī): to take charge of, to manage, department (under a ministry)

司 (sī) is a Chinese character meaning “to take charge of.” Classified as HSK Level 1 (HSK 3.0 Standard, CLEC 2022), it is composed of 口 (structural). It ranks #278 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 司 a person speaking orders 口 and raising their arm. Its radical form 口 (mouth) appears in many related characters such as 口 (kǒu, mouth), 叫 (jiào, to call, to be called), 右 (yòu, (bound form) right).

Spoken pronunciation

Definitions

  1. to take charge of
  2. to manage
  3. department (under a ministry)

Etymology & Origin

司

ideographicA person speaking orders 口 and raising their arm

Components:口structural

Stroke Order

1
2
3
4
5

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

Words & Compounds

HSK Vocabulary with 司

WordPinyinMeaningHSK
公司noungōng sīcompany1
司机nounsī jīchauffeur3

Common Compounds

WordPinyinMeaning
上司nounshàng siboss
官司nounguān silawsuit
司法nounsī fǎjudicial
司令nounsī lìngcommanding officer
阿司匹林nounā sī pǐ lín(loanword) aspirin
盎司nounàng sī(loanword) ounce (British imperial system)
司法部nounsī fǎ bùMinistry of Justice (PRC etc)
打官司verbdǎ guān sito file a lawsuit
司令官nounsī lìng guāncommander
司令部nounsī lìng bùheadquarters
土司nountǔ sīsliced bread (loanword from "toast")
有限公司nounyǒu xiàn gōng sīlimited company
百货公司nounbǎi huò gōng sīdepartment store
总司令nounzǒng sī lìngcommander-in-chief
子公司nounzǐ gōng sīsubsidiary company
101
Total compounds
38
As first character
47
As last character
16
As middle character

司 appears in 101 compound words: 38 as the first character, 47 as the last, and 16 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 司 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

公gōng
0.7511,225,579 co-occurrences
限xiàn
0.692243,046 co-occurrences
令lìng
0.618165,018 co-occurrences
有yǒu
0.468273,340 co-occurrences
唱chàng
0.45953,758 co-occurrences
副fù
0.44949,340 co-occurrences
按àn
0.44122,754 co-occurrences
航háng
0.43034,296 co-occurrences
徒tú
0.42817,796 co-occurrences
片piàn
0.42857,322 co-occurrences

Idioms & Chengyu (13)

阿摩司书ĀmósīshūHSK 6+

Amos (book of the Bible)

百货公司bǎihuò gōngsīHSK 4+

department store

noun
顶头上司dǐng tóu shàng siHSK 6+

one's immediate superior

phrase
股份公司gǔfèn gōngsīHSK 6+

joint-stock company

noun
光杆司令guānggǎn sīlìngHSK 7+

commander without any soldiers; leader without a team

noun
航空公司hángkōng gōngsīHSK 4+

airline

noun
控股公司kònggǔ gōngsīHSK 6+

holding company

noun
跨国公司kuàguó gōngsīHSK 7+

multinational corporation

noun
起司蛋糕qǐsī dàngāoHSK 3+

cheesecake

noun
司空见惯sīkōngjiànguànHSK 3+

too common to surprise people; be a common occurrence; commonplace

phrase
司售人员sī shòu rén yuánHSK 4+

bus crew; driver and conductor

phrase
有限公司yǒuxiàngōngsīHSK 5+

limited company; Co. Ltd.; limited level

noun

Showing 12 of 13 idioms containing 司.

Example Sentences

AI-Generated

妈妈司嘱我要按时吃饭,注意身体健康。

mā mā sī zhǔ wǒ yāo àn shí chī fàn , zhù yì shēn tī jiàn kāng .

Mom told me to eat on time and take care of my health.

三立新聞網Feb 2026

为什么百货公司一楼没厕?背后原因超心机

wéi shén má bǎi huò gōng sī yī lóu méi cè ? bèi hòu yuán yīn chāo xīn jī

Why is there no toilet on the first floor of a department store? The reason behind it is super scheming

马来西亚诗华日报新闻网Feb 2026

...贿800万换取贷款申请 反贪会捕前电讯公司董事

. . . huì 8 0 0 wàn huàn qǔ dài kuǎn shēn qǐng fǎn tān huì bǔ qián diàn xùn gōng sī dǒng shì

... A bribe of 8 million yuan in exchange for a loan application The Anti-Corruption Commission arrested the former director of a telecommunications company

EttodayFeb 2026

日本倒闭潮创纪录! 124公司“没人上班”直接破产

rì běn dǎo bì cháo chuàng jì lù ! 1 2 4 gōng sī méi rén shàng bān zhí jiē pò chǎn

Japan's bankruptcy wave hits a record! 124 Company went bankrupt directly when "no one went to work"

大紀元 | 大紀元新聞網Feb 2026

公司老板钦佩神韵复兴传统:极具教育意义

gōng sī lǎo bǎn qīn pèi shén yùn fù xīng chuán tǒng : jí jù jiào yù yì yì

Company owners admire Shen Yun for reviving traditions: very educational

百度新闻Feb 2026

新春走基层丨国网株洲供电公司党员突击队护航春节绿色..

xīn chūn zǒu jī céng 丨 guó wǎng zhū zhōu gōng diàn gōng sī dǎng yuán tū jī duì hù háng chūn jié lǜ sè . .

New Year to the grassroots丨State Grid Zhuzhou Power Supply Company party member commando escorts the Spring Festival green:

Tatoeba

他在哪家公司工作?

Tā zài nǎ jiā gōngsī gōngzuò?

Where does he work?

Tatoeba

你的保险公司叫什么名字?

Nǐ de bǎoxiǎn gōngsī jiào shénme míngzi?

What's the name of your insurance company?

Tatoeba

他们不是公司员工吗?

Tāmen bù shì gōngsī yuángōng ma?

Are they not company employees?

Tatoeba

为什么不尝尝寿司?

Wèishénme bù cháng cháng shòusī?

Why don't you have some sushi?

Character Family

Homophones — Characters pronounced sī

Frequently Asked Questions

What does 司 (sī) mean in Chinese?
司 (sī) primarily means "to take charge of." It is classified as HSK Level 1, making it a beginner-level character. It ranks #278 in character frequency.
How many strokes does 司 have?
司 is written with 5 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 司?
The radical associated with 司 is 口 (mouth). This radical appears in many characters related to mouth.
What are the components of 司?
司 is composed of: 口 (structural). Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 司?
Common words with 司 include: 公司 (gōng sī, "company"); 司机 (sī jī, "chauffeur"); 上司 (shàng si, "boss"); 官司 (guān si, "lawsuit"); 司法 (sī fǎ, "judicial"). There are over 101 compound words containing this character.
What characters sound the same as 司 (sī)?
Several characters share the pronunciation sī: 斯 (Slovakia), 思 (to think, thought), 死 (to die), 四 (four), and 6 more. Context and tones help distinguish between them in speech and writing.
Is 司 the same in simplified and traditional Chinese?
Yes, 司 is written the same way in both simplified and traditional Chinese.

Practice writing 司 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.