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隧 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
suìtunneln, 14 strokes, radical 阝, Very Hard
suìunderground passagen, 14 strokes, radical 阝, Very Hard
suìtunnel, underground passage; a path to a tombn, 14 strokes, radical 阝, Very Hard
suì(sui4) T4
  1. 1tunnel
  2. 2underground passage
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March 24, 2026
suì(sui4)

The character 隧 (suì) refers to a tunnel or an underground passage, commonly used in transportation contexts such as subways or road tunnels. It can also denote a passage leading to a tomb, highlighting its connection to both modern infrastructure and historical practices.

Strokes14RadicalFrequency#—DifficultyVery Hard
Cultural Note

In China, the construction of tunnels is significant for urban development and is a symbol of modern engineering. Historical tomb passages, often connected to the idea of 隧, reflect the importance of burial practices in Chinese culture.

Memory Tip

Imagine a dark tunnel where the sound of a train echoes, resembling the pronunciation 'suì'. The left part of the character, 隹, can remind you of a bird, suggesting something that can swiftly move through a passage, while the right part, itself a structure, reinforces the idea of a tunnel.

Meanings of 隧

suì(sui4)
1tunnel
2underground passage
Exercise 1 of 2

Listen & Choose the Meaning

Choose the correct answer:

About 隧

Simplified
14Strokes
Radical
名词míngcínoun (n.)Part of Speech
#—Frequency Rank

Podcast: 隧

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AI Study Notes for 隧

Quick Contrast

隧 (tunnel) vs 通道 (passage) — use 隧 specifically for underground tunnels, while 通道 is more general and can refer to any passageway.

Memory Mnemonic

Imagine a dark tunnel where the sound of a train echoes, resembling the pronunciation 'suì'. The left part of the character, 隹, can remind you of a bird, suggesting something that can swiftly move through a passage, while the right part, itself a structure, reinforces the idea of a tunnel.

Usage Notes

In everyday conversation, 隧 is often used in contexts related to transportation. Be careful not to confuse it with similar-sounding characters like 祟 (suì), which has a different meaning. This term is generally neutral and can be used in both formal and informal settings.

HSK Study Tips

While 隧 is not part of the official HSK vocabulary lists, it connects to words related to travel and infrastructure, such as 路 (lù, road) and 铁路 (tiělù, railway). Students should focus on recognizing its components and understanding its usage in various contexts.

Cultural Note

In China, the construction of tunnels is significant for urban development and is a symbol of modern engineering. Historical tomb passages, often connected to the idea of 隧, reflect the importance of burial practices in Chinese culture.

Common Mistakes

Learners often confuse 隧 with 随 (suí), which means 'follow'. A common mistake is to say 随道 instead of 隧道 when referring to a tunnel. Always remember to use 隧 for tunnels specifically.

AI-enhanced 2026-03-24

Pronunciation of 隧

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Etymology of 隧

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

place

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 隧?

Decomposition of 隧

IDS Structure⿰阝遂
Full Character
=
yi4
left
sui4
right
Exercise 1 of 2

Identify the Components

Which of these is a component of 隧?

Write 隧

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

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Grammar Patterns of 隧

隧 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 3 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 5

Complete the Sentence

这条通道经____道从河下经过。

The path goes under the river by way of the tunnel.

Example Sentences for 隧 (8)

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1
这条通道经隧道从河下经过。

zhè tiáo tōng dào jīng suì dào cóng hé xià jīng guò。

The path goes under the river by way of the tunnel.
2
英吉利海峡隧道是欧洲最大的土木工程。

yīng jí lì hǎi xiá suì dào shì ōu zhōu zuì dà de tǔ mù gōng chéng。

The Channel Tunnel project is the biggest civil engineering project in Europe.
3
海峡隧道预计1993年年底前开通。

hǎi xiá suì dào yù jì1993 1993 nián nián dǐ qián kāi。

The Channel tunnel was due to open towards the end of
4
到隧道出入口时,他弯腰重新系好鞋带。

dào suì dào chū rù kǒu shí, , tā wān yāo zhòng xīn xì hǎo xié。

By the mouth of the tunnel he bent to retie his lace.
5
隧道有多长?

suì dào yǒu duō cháng?

How long is the tunnel?
6
这些工人在操作隧道挖掘机时被大量的落石困住了。

zhè xiē gōng rén zài cāo zuò suì dào wā jué jī shí bèi dà liáng de luò shí kùn zhù le。

A massive rock fall trapped the men as they operated a tunnelling machine.
7
救援人员用支柱防止隧道顶塌陷。

jiù yuán rén yuán yòng zhī zhù fáng zhǐ suì dào dǐng tā xiàn。

Rescuers used props to stop the roof of the tunnel collapsing.
8
隧道顶部塌了下来.

suì dào dǐng bù tā le xià lái.

The roof of the tunnel fell in.

Cultural Notes for 隧

🏮Cultural insight

In China, the construction of tunnels is significant for urban development and is a symbol of modern engineering. Historical tomb passages, often connected to the idea of 隧, reflect the importance of burial practices in Chinese culture.

Word Family of 隧

Words Containing This Character3
隧道suìdàotunnel
隧洞tunnel
suìtunnel
Exercise 1 of 3

Compound Meaning

What does 隧道 mean?

Frequently Asked Questions about 隧

It is pronounced as 'suì', with a falling tone.