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透 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
tòuto penetrateHSK 6, v, 10 strokes, radical 辶, rank #1256, Medium
tòuto pass throughHSK 6, v, 10 strokes, radical 辶, rank #1256, Medium
tòuthoroughlyHSK 6, v, 10 strokes, radical 辶, rank #1256, Medium
tòucompletelyHSK 6, v, 10 strokes, radical 辶, rank #1256, Medium
tòutransparentHSK 6, v, 10 strokes, radical 辶, rank #1256, Medium
tòuto appearHSK 6, v, 10 strokes, radical 辶, rank #1256, Medium
tòuto showHSK 6, v, 10 strokes, radical 辶, rank #1256, Medium
tòuto pierce, to penetrate, to pass through; thoroughHSK 6, v, 10 strokes, radical 辶, rank #1256, Medium
tòu(tou4) T4
  1. 1to penetrate
  2. 2to pass through
Listen to the audio pronunciation 3 times to gain XP
March 24, 2026
tòu(tou4)

The character 透 (tòu) primarily means 'to penetrate' or 'to pass through.' It is commonly used in contexts related to transparency or clarity, such as describing materials that allow light to pass through. Additionally, it can convey the idea of thoroughness or completeness in actions or understanding.

Strokes10RadicalFrequency#1256DifficultyMedium
Cultural Note

The concept of transparency is significant in Chinese culture, often symbolizing honesty and clarity in communication. In traditional Chinese philosophy, being 'transparent' in one’s thoughts and actions is seen as a virtue.

Memory Tip

Imagine a transparent window that allows you to see through it completely. The character 透 has a 'water' radical (氵) that suggests fluidity and clarity. Think of water passing through a clear glass, representing both transparency and thoroughness.

Meanings of 透

tòu(tou4)
1to penetrate
2to pass through
Exercise 1 of 2

Listen & Choose the Meaning

Choose the correct answer:

About 透

Simplified
10Strokes
Radical
形容词xíngróngcíadjective (adj.)Part of Speech
#1256Frequency Rank
HSK 3.0L6IntermediateTOCFLL4HSKKL2CEFRB1

Podcast: 透

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Podcast:

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AI Study Notes for 透

Quick Contrast

透 (tòu) vs 明 (míng) — use 透 to emphasize the idea of penetration or passing through, while 明 focuses on brightness or clarity without the implication of physical passage.

Memory Mnemonic

Imagine a transparent window that allows you to see through it completely. The character 透 has a 'water' radical (氵) that suggests fluidity and clarity. Think of water passing through a clear glass, representing both transparency and thoroughness.

Usage Notes

Be careful not to confuse 透 (tòu) with similar-sounding words that have different meanings. It is generally used in both formal and informal contexts, but may sound more sophisticated in written language. Common collocations include 透视 (tòushì - to see through) and 透彻 (tòuchè - thorough).

HSK Study Tips

While 透 is not part of the official HSK vocabulary, its components and meanings can be related to HSK Level 3 words like 明 (míng - bright) and 清 (qīng - clear). Focus on understanding the nuances of transparency and completeness to better grasp its use in various contexts.

Cultural Note

The concept of transparency is significant in Chinese culture, often symbolizing honesty and clarity in communication. In traditional Chinese philosophy, being 'transparent' in one’s thoughts and actions is seen as a virtue.

Common Mistakes

Learners often confuse 透 (tòu) with 透过 (tòuguò), which means 'to pass through' in a more specific sense. For instance, saying '我透这扇窗户' (wǒ tòu zhè shàn chuānghù - I penetrate this window) is incorrect; the correct form would be '我透过这扇窗户' (wǒ tòuguò zhè shàn chuānghù).

AI-enhanced 2026-03-24

Pronunciation of 透

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Etymology of 透

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

Phonosemantic compound. 辶 represents the meaning and 秀 represents the sound.

Memory Hint

walk

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 透?

Decomposition of 透

IDS Structure⿺辶秀
Full Character
=
chuo4
enclosing
xiu4
inner
Exercise 1 of 2

Identify the Components

Which of these is a component of 透?

Write 透

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 透

透 functions as a verb — the action or state of the sentence. The Chinese order is Subject + Verb + Object (我吃饭). Negate it with 不 (habitual / future) or 没(有) (completed action). Add aspect markers like 了, 过, 着 directly after the verb. It carries 8 related meanings, each with its own usage notes below. The patterns below break down its most common sentence frames, with example sentences and practice buttons (Listen, Practice Writing, Practice Speaking) for each one.

是…的 emphasis是 + [V] + 的
HSK 3

...

光线是透过窗户进来的。

Guāngxiàn shì tòuguò chuānghù jìnlái de.

The light came in through the window.

Exercise 1 of 4

Complete the Sentence

他表情怪异,非喜非怒,让人猜不____。

His expression was strange — neither happy nor angry — impossible to read.

Usage Notes for 透

Confusion with '透明'Common Error

Learners often confuse 透 and 透明 (tòumíng, transparent), as both relate to clarity, but 透 focuses on penetration rather than transparency.

1

这个玻璃是透明的。

This glass is transparent.

Exercise 1 of 1

Fill in the Blank

这个玻璃是____明的。

This glass is transparent.

Example Sentences for 透 (10)

Listen to all sentences once to receive XP
1
我离开剑桥时,透支了1万英镑。

wǒ lí kāi jiàn qiáo shí, , tòu zhī1 le 1 wàn。

When I left Cambridge I had a £10,000 overdraft.
2
带我儿子彼得外出吃饭简直糟糕透了。

dài wǒ ér zǐ bǐ dé wài chū chī fàn jiǎn zhí zāo gāo tòu le。

Taking my son Peter to a restaurant was a nightmare.
3
透过船舱的窗户我看到了闪烁的火光。

tòu guò chuán cāng de chuāng hù wǒ kàn dào le shǎn shuò de huǒ guāng。

Looking through the cabin window I saw the flicker of flames.
4
透支的客户每月要缴纳5英镑的费用。

tòu zhī de kè hù měi yuè yào jiǎo nà5 5 yīng bàng de fèi。

Customers who arrange overdrafts will face a monthly charge of £
5
我真的不理解这到底有什么意义,简直是愚蠢透顶。

wǒ zhēn de bù lǐ jiě zhè dào dǐ yǒu shí mó yì yì, , jiǎn zhí shì yú chǔn tòu。

I don't see the point in it really. It's just stupid.
6
这本书中的研究缜密透彻,可读性很强。

zhè běn shū zhōng de yán jiū zhěn mì tòu chè, , kě dú xìng hěn。

This is an impeccably researched and very readable book.
7
我不认为这是艺术。它简直无聊透顶,毫无品位。

wǒ bù rèn wéi zhè shì yì shù。 。 tā jiǎn zhí wú liáo tòu, dǐng , háo wú。

I wouldn't call it art. It's just stupid and tasteless.
8
毫无疑问,这个男人身上透着一种野性魅力。

háo wú yí wèn, , zhè gè nán rén shēn shàng tòu zháo yī zhǒng yě xìng mèi。

There was no doubting the animal magnetism of the man.
9
白内障是一种影响晶状体透明性的疾病。

bái nèi zhàng shì yī zhǒng yǐng xiǎng jīng zhuàng tǐ tòu míng xìng de jí bìng。

Cataracts is a condition that affects the transparency of the lenses.
10
她身上透着一股冷漠,让他不寒而栗。

tā shēn shàng tòu zháo yī gǔ lěng mò, , ràng tā bù hán ér。

There was a coldness in her that chilled him.

Cultural Notes for 透

🏮Cultural insight

The concept of transparency is significant in Chinese culture, often symbolizing honesty and clarity in communication. In traditional Chinese philosophy, being 'transparent' in one’s thoughts and actions is seen as a virtue.

Word Family of 透

Words Containing This Character20
tòuto penetrate
透露tòulùto leak out
透明tòumíngtransparent
透过tòuguòto pass through透過
渗透shèntòuto permeate滲透
透顶out-and-out透頂
看透to understand thoroughly
透气tòuqìto ventilate透氣
穿透to penetrate
透视to see through透視
透支tòuzhī(bank) overdraft
路透社Reuters News Agency
透明度transparency
透彻tòuchèpenetrating透徹
透析dialysis (separation of crystalloids by osmosis)
通透penetrating
透漏to divulge
浸透to soak
熟透ripened
湿透drenched濕透
Exercise 1 of 4

Compound Meaning

What does 透 mean?

Frequently Asked Questions about 透

Yes, 透 is commonly used in daily conversation, especially when discussing clarity or transparency. You'll often hear it in contexts like describing weather, light, or even emotions. It's a versatile character that can enhance your Chinese vocabulary significantly.