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内 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
内nèiinsideHSK 4, n, 4 strokes, radical 入, rank #520, Medium
内nèiinnerHSK 4, n, 4 strokes, radical 入, rank #520, Medium
内nèiinternalHSK 4, n, 4 strokes, radical 入, rank #520, Medium
内nèiwithinHSK 4, n, 4 strokes, radical 入, rank #520, Medium
内nèiinteriorHSK 4, n, 4 strokes, radical 入, rank #520, Medium
nèi(nei4)nei T4
  1. 1inside
  2. 2inner
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March 24, 2026

内(內)nèi(nei4)

The character 内 (nèi) means 'inside' or 'inner.' It is commonly used to describe something that is within a space, organization, or concept, such as '内心' (nèi xīn) meaning 'inner heart' or '内衣' (nèi yī) meaning 'underwear.' This word conveys a sense of internality and is often contrasted with its opposite, 外 (wài), meaning 'outside.'

Strokes4Radical入Frequency#520DifficultyMedium
Cultural note

In Chinese culture, the concept of 'inner' often relates to personal feelings and introspection, which are valued in traditional philosophies like Confucianism and Daoism. The idea of having an 'inner self' is significant in discussions of character and morality.

Memory tip

Imagine a house with a big 'N' shape inside it to remember '内' (nèi) means 'inside.' Picture someone saying 'I’m in here!' while pointing to that 'N' shape, emphasizing the concept of being within a space.

Meanings of 内

nèi(nei4)
1inside
2inner
Exercise 1 of 2

By ear

Play it, then pick what 内 means.

About 内

内Simplified
內Traditional
4Strokes
入Radical
名词míngcínoun (n.)Part of Speech
#520Frequency Rank
HSK 2.0L4HSK 3.0L4ElementaryTOCFLL3HSKKL2CEFRA2

Podcast: 内

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AI study notes for 内

Quick Contrast

内 (nèi) vs 里 (lǐ) — use 内 for more abstract or conceptual 'inside,' while 里 typically refers to a physical or geographical 'inside.'

Usage Notes

Be careful not to confuse 内 (nèi) with 外 (wài), which means 'outside.' Also, it’s often used in formal contexts, so ensure you're using it appropriately in discussions about internal matters or in writing. Common collocations include '内部' (nèi bù) meaning 'internal' and '内向' (nèi xiàng) meaning 'introverted.'

HSK Study Tips

At HSK Level 4, students should focus on using 内 in various contexts, such as describing feelings or situations. It connects with other words like 外 (wài) and 里 (lǐ), enhancing understanding of spatial and emotional descriptions.

Common Mistakes

Learners often confuse 内 (nèi) with 外 (wài), leading to incorrect phrases like '外心' (wài xīn) instead of '内心' (nèi xīn) for 'inner heart.' Another mistake is using it in informal contexts where a more casual word might be appropriate.

AI-enhanced 2026-03-24

Pronunciation of 内

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Etymology of 内

Formation typeIdeographic 指事
六书 ClassificationIdeograph (指事字)~2% of characters
Explanation

Simplified form of 內. Depicts an entrance (入) to a hall (冂).

Memory hint

A man 人  entering a door 冂

Learn more about Ideograph (指事字) characters
Exercise 1 of 1

Origin

What kind of character is 内?

Decomposition of 内

IDS Structure⿻冂人
内Full character
=
冂jiong1
outer
人ren2
inner
Exercise 1 of 2

Parts

Which of these is part of 内?

How to say inside in Chinese

“inside” in Chinese is内nèi

The character 内 (nèi) means 'inside' or 'inner.' It is commonly used to describe something that is within a space, organization, or concept, such as '内心' (nèi xīn) meaning 'inner heart' or '内衣' (nèi yī) meaning 'underwear.' This word conveys a sense of internality and is often contrasted with its opposite, 外 (wài), meaning 'outside.'

When to use 内

Be careful not to confuse 内 (nèi) with 外 (wài), which means 'outside.' Also, it’s often used in formal contexts, so ensure you're using it appropriately in discussions about internal matters or in writing. Common collocations include '内部' (nèi bù) meaning 'internal' and '内向' (nèi xiàng) meaning 'introverted.'

内 or something close to it

内 (nèi) vs 里 (lǐ) — use 内 for more abstract or conceptual 'inside,' while 里 typically refers to a physical or geographical 'inside.'

What learners get wrong

Learners often confuse 内 (nèi) with 外 (wài), leading to incorrect phrases like '外心' (wài xīn) instead of '内心' (nèi xīn) for 'inner heart.' Another mistake is using it in informal contexts where a more casual word might be appropriate.

Write 内

内

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

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Grammar patterns of 内

内 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 5 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

Fill the gap

Type the missing word. Pinyin works; then pick the character.

她从未放弃过探究我____心深处情感的尝试。

She never abandoned her attempts to plumb my innermost emotions.

Common confusions with 内

内vs外
wài

Opposite meaning of 内 (inside)

Exercise 1 of 1

Which one

Which one means “inside”?

or

Example sentences for 内 (12)

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1
她从未放弃过探究我内心深处情感的尝试。

tā cóngwèi fàngqì guò tànjiū wǒ nèixīn shēnchù qínggǎn de chángshì。

She never abandoned her attempts to plumb my innermost emotions.
2
当你从内心深处找到一种可以忍受一切痛苦的坚强力量时,你的成长历程就会出现飞跃。

dāng nǐ cóng nèixīn shēnchù zhǎodào yī zhǒng kěyǐ rěnshòu yíqiè tòngkǔ de jiānqiáng lìliàng shí, nǐ de chéngzhǎng lìchéng jiù huì chūxiàn fēiyuè。

The turning point in the process of growing up is when you discover the core of strength within you that survives all hurt.--Max Lerner
3
该国内地的很多地区无法即时报告艾滋病病例。

gāi guónèi dì de hěn duō dìqū wúfǎ jíshí bàogào àizībìng bìng lì。

Many areas in the country'sinterior are unable to report Aids cases immediately.
4
应该将盛行风的方向考虑在内。

yīnggāi jiāng shèngxíng fēng de fāngxiàng kǎolǜ zàinèi。

The direction of the prevailing winds should be taken into account.
5
我想你或许想要读一下信封里的内容。

wǒ xiǎng nǐ huòxǔ xiǎngyào dú yíxià xìnfēng lǐ de nèiróng。

I thought you might like to read the enclosed.
6
你必须将该处房产的资本增值考虑在内。

nǐ bìxū jiāng gāi chǔ fáng chǎn de zīběn zēngzhí kǎolǜ zàinèi。

You have to take capital appreciation of the property into account.
7
亲爱的内维尔,我真太为你高兴了。

qīnài de nèi wéi ěr, wǒ zhēn tài wèi nǐ gāoxìng le。

Darling Neville, I couldn't be more pleased for you.
8
你必须将一定量的误差考虑在内。

nǐ bìxū jiāng yídìng liáng de wùchā kǎolǜ zàinèi。

You have to allow for a certain amount of error.
9
你可以在15分钟内做出一道便宜的辣椒素菜。

nǐ kěyǐ zài15 fēnzhōng nèi zuò chū yídào biànyí de làjiāo sù cài。

You can cook a cheap veggie chilli in 15 minutes.
10
精心搭配的室内装饰似乎已不再受欢迎了。

jīngxīn dāpèi de shì nèi zhuāngshì sìhū yǐ bùzài shòu huānyíng le。

Interior decoration by careful coordination seems to have had its day.
11
博物馆内的展览吸引了大量的游客。

Bówùguǎn nèi de zhǎnlǎn xīyǐnle dàliàng de yóukè.

The exhibition inside the museum attracted a large number of tourists.
12
在他的指导下,团队内的成员都提高了工作效率。

Zài tā de zhǐdǎo xià, tuánduì nèi de chéngyuán dōu tígāo le gōngzuò xiàolǜ.

Under his guidance, the members inside the team all improved their work efficiency.

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Cultural Notes for 内

💡Did you know?

在中国文化中,内涵和外延的区分非常重要。内涵通常指一个事物的本质,而外延则是事物的外部表现。这个概念在很多哲学和艺术讨论中经常出现。

Word Family of 内

Compounds11
纳nàsurname Na
呐nàto raise one's voice; to yell, to shout; to stammer
芮ruìtiny, small; the water's edge
钠nàsodium, natrium; to sharpen wood
讷nèinarticulate, slow; to mumble, to stammer
吶nàto raise one's voice; to yell, to shout; to stammer
呙guōto chat, to gossip, to jaw, to talk; mouth
氝nèi
夐xiòng
笍zhuì
納nàto adopt, to accept; to receive, to take
Words containing this character20
内nèiinside內
内容nèiróngcontent內容
国内guónèidomestic國內
内心nèixīnheart內心
内部nèibùinterior內部
之内zhīnèiinside之內
体内tǐnèiwithin the body體內
内裤nèikùunderpants內褲
内衣nèiyīundergarment內衣
在内zàinèiamong them在內
内地nèidìinland內地
内疚nèijiùguilty conscience內疚
室内shìnèiindoor室內
内在nèizàiinner內在
境内jìngnèidomestic境內
内涵nèihánimplication內涵
以内yǐnèiwithin以內
国内外guónèiwàiat home and abroad國內外
内阁nèigé(government) cabinet內閣
内外nèiwàiabout內外
Exercise 1 of 4

Characters with 内

What does 呐 mean?

Frequently asked questions about 内

内 (nèi) and 里 (lǐ) both refer to being inside something, but they are used in slightly different contexts. 内 often implies a more formal or internal aspect, while 里 is more casual and commonly used to indicate physical location, like '家里' (jiālǐ), meaning 'at home'. Understanding these nuances can enhance your Chinese language skills.

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