乃 (nǎi): to be, thus, so

乃 (nǎi) is a Chinese character meaning “to be.” Classified as HSK Level 7-9 (HSK 3.0 Standard, CLEC 2022), it is composed of 丿 (structural). It ranks #1163 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 乃 a pregnant woman; compare 孕. Its radical form 丿 (slash) appears in many related characters such as 么 (me, suffix used in 什么 (what), 这么 (so), 怎么 (how) etc), 久 (jiǔ, (of a period of time) long), 乐 (lè, happy).

Spoken pronunciation

Definitions

  1. to be
  2. thus
  3. so

Etymology & Origin

乃

ideographicA pregnant woman; compare 孕

Components:丿structural

Stroke Order

1
2

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

Words & Compounds

Common Compounds

WordPinyinMeaning
木乃伊nounmù nǎi yī(loanword) mummy (preserved corpse)
乃是verbnǎi shìequivalent to either 是 or 就是
康乃馨nounkāng nǎi xīncarnation (Dianthus caryophyllus) (loanword)
乃至conjunctionnǎi zhìand even
西乃山proper-nounxī nǎi shānMount Sinai
安乃近nounān nǎi jìnanalgin (loanword)
美乃滋nounměi nǎi zīmayonnaise (loanword) (Tw)
乃东区nǎi dōng qūNedong, a district of Shannan City 山南市, Tibet
乃堆拉山口nǎi duī lā shān kǒuNathu La (Himalayan pass on the Silk Road between Tibet and the northeastern Indian state of Sikkim)
乃们nǎi menyou (plural) (slang alternative for 你們|你们)
百胜难虑敌,三折乃良医bǎi shèng nán lǜ dí , sān zhé nǎi liáng yī(a line from a poem by the Tang poet Liu Yuxi 劉禹錫|刘禹锡) one gains very little insight into one's enemy f...
西乃proper-nounxī nǎiSinai
乃东nǎi dōngsee 乃東區|乃东区
木乃伊化mù nǎi yī huàto mummify
乃尔adverbnǎi ěrthus
21
Total compounds
38
As first character
14
As last character
48
As middle character

乃 appears in 21 compound words: 38 as the first character, 14 as the last, and 48 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 乃 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

扭niǔ
0.61210 co-occurrences
墓mù
0.59710 co-occurrences
尺chǐ
0.50910 co-occurrences
木mù
0.49315,658 co-occurrences
馨xīn
0.478800 co-occurrences
曲qū
0.47810 co-occurrences
甲jiǎ
0.47210 co-occurrences
皮pí
0.46310 co-occurrences
裳cháng
0.419310 co-occurrences
至zhì
0.41519,250 co-occurrences

Idioms & Chengyu (1)

康乃狄克Kāngnǎidíkè

(Taiwan) Connecticut (a state of the United States)

Example Sentences

AI-Generated

了解乃字的来源,有助于理解中国文化。

le xiè nǎi zì de lái yuán , yǒu zhù yú lǐ xiè zhōng guó wén huā .

Understanding the origin of the character "乃" helps to comprehend Chinese culture.

Orientaldaily MyMar 2026

峇迪航空士乃直飞槟城启航 黄汉伟:国际与国内航线并重...

峇 dí háng kōng shì nǎi zhí fēi 槟 chéng qǐ háng huáng hàn wěi : guó jì yǔ guó nèi háng xiàn bìng chóng . . .

Badi Airlines Launches Direct Flights from Senai to Penang; Wong Han Wai: Balancing International and Domestic Routes...

UdnnewsindexMar 2026

影/郑习会何时成行?尹乃菁:水到渠成时

yǐng zhèng xí huì hé shí chéng háng ? 尹 nǎi 菁 : shuǐ dào qú chéng shí

Video: When Will the Zheng-Xi Meeting Take Place? Yin Nai-ching: When the Time Is Right

Hk01.comFeb 2026

AV女优塔乃花铃突传引退 作品全面下架 或因“他们”...

A V nǚ yōu tǎ nǎi huā líng tū chuán yǐn tuì zuò pǐn quán miàn xià jià huò yīn tā men . . .

AV actress Tano Hana Suzuru suddenly retired, and her works were completely removed from the shelves or because of "them"...

LtnFeb 2026

挑战恐怖片极限尺度!《墓乃伊》皮肤指甲扭曲变形 骇人模样曝光

tiāo zhàn kǒng bù piàn jí xiàn chǐ dù ! mù nǎi yī pí fū zhǐ jiǎ niǔ qū biàn xíng hài rén mó yàng pù guāng

Challenge the limits of horror movies! "Tomb Nai" skin and nails are twisted and deformed, and the terrifying appearance is exposed

Ign中国Feb 2026

电影《李·克罗宁之木乃伊》正式预告

diàn yǐng lǐ kè luó nìng zhī mù nǎi yī zhèng shì yù gào

The movie "Lee Cronin's Mummy" is officially trailed

Tatoeba

我在母亲节送给我的妈妈一束康乃馨。

Wǒ zài Mǔqīnjié sònggěi wǒ de māma yī shù kāngnǎixīn.

I gave my mother carnations on Mother's Day.

Tatoeba

我的教练说:"失败乃成功之母"。

Wǒ de jiàoliàn shuō:"shībài nǎi chénggōng zhī mǔ ".

My coach said, "Failure teaches success."

Tatoeba

道德上的恶乃是无知的后果。

Dàodé shàng de è nǎishì wúzhī de hòuguǒ.

Moral evil is the result of ignorance.

Tatoeba

他看起来像一具木乃伊。

Tā kànqǐlai xiàng yī jù mùnǎiyī.

He looked like a mummy.

Character Family

Homophones — Characters pronounced nǎi

Frequently Asked Questions

What does 乃 (nǎi) mean in Chinese?
乃 (nǎi) primarily means "to be." It is classified as HSK Level 7-9, making it an expert-level character. It ranks #1163 in character frequency.
How many strokes does 乃 have?
乃 is written with 2 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 乃?
The radical associated with 乃 is 丿 (slash). This radical appears in many characters related to slash.
What are the components of 乃?
乃 is composed of: 丿 (structural). Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 乃?
Common words with 乃 include: 木乃伊 (mù nǎi yī, "(loanword) mummy (preserved corpse)"); 乃是 (nǎi shì, "equivalent to either 是 or 就是"); 康乃馨 (kāng nǎi xīn, "carnation (Dianthus caryophyllus) (loanword)"); 乃至 (nǎi zhì, "and even"); 西乃山 (xī nǎi shān, "Mount Sinai"). There are over 21 compound words containing this character.
What characters sound the same as 乃 (nǎi)?
Several characters share the pronunciation nǎi: 奶 (grandmother, milk), 耐 ((bound form) to bear), 奈 (used in expressions that convey frustration and futility, such as 無奈|无奈 and 莫可奈何|莫可奈何 (literary)). Context and tones help distinguish between them in speech and writing.
Is 乃 the same in simplified and traditional Chinese?
Yes, 乃 is written the same way in both simplified and traditional Chinese.

Practice writing 乃 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.