塞
Character learning workspace

sāi / sài / sè · to stop up, to seal, to cork, to block

Master the form, understand its parts, and learn how it behaves in real Chinese.

HSK 3.0 · Level 6Frequency #2163
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Learn every stroke in 塞

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Stroke graphics: Make Me a Hanzi / Arphic Public License
Sound changes meaning

Readings & meanings

塞 has 3 dictionary pronunciations. The examples show how each reading behaves in real words.

sāi

to plug; to stop up; to stuff in; (bound form) a stopper

塞给sāi gěi · to slip sb sth
sài

(bound form) strategic stronghold

要塞yào sài · stronghold
sè

(bound form) to block; to obstruct

堵塞dǔ sè · to clog up
Step-by-step explorer

See how 塞 is constructed

Switch between the accumulated form and the isolated movement of each stroke.

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Writing notes

Shape and proportion

13Total strokes

Count each continuous pen movement once, including turns and hooks.

Top-bottomCharacter structure

Keep the upper section balanced above the lower section.

土Key radical

Use the highlighted radical in the animation as a visual anchor for remembering the form.

Print and practise

Download a 塞 writing sheet

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Includes the stroke sequence, progressive tracing, and blank writing squares. Generated locally in your browser.

Vocabulary in context

Common words with 塞

Open a word for its full breakdown, or listen before reading the meaning.

sài(bound form) strategic stronghold
sāito plug; to stop up; to stuff in; (bound form) a stopper
sè(bound form) to block; to obstruct
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Example sentences

Notice where 塞 sits in each complete thought.

Shì zhōng xīn de jiāo tōng dōu dǔsè le.市中心的交通都堵塞了。

Traffic downtown is all backed up.

Source: Tatoeba #801311 · CC BY 2.0 FR
Zhège huó sāi bù jiē chù qì gāng gài.这个活塞不接触汽缸盖。

The piston does not come into contact with the cylinder cover.

Source: Tatoeba #1582772 · CC BY 2.0 FR
Wǒ bèi jiāo tōng dǔsè dān gē le.我被交通堵塞耽擱了。

I was delayed by a traffic jam.

Source: Tatoeba #887805 · CC BY 2.0 FR
Fán shì dàichéng shì dōu yǒu jiāo tōng dǔsè de wèn tí.凡是大城市都有交通堵塞的問題。

All big cities have traffic problems.

Source: Tatoeba #10488765 · CC BY 2.0 FR
Shì de, wǒ shì hé sāi. nín shì?是的,我是何塞。您是?

Yes, I am He Sai. And you?

Source: Tatoeba #6057691 · CC BY 2.0 FR
Tā bǎ qián sāi dào wǒ de kǒu dài lǐ.他把钱塞到我的口袋里。

Put the money in my pocket.

Source: Tatoeba #1366207 · CC BY 2.0 FR
Turn reference into recall

How to study 塞 in context

  1. Say sāi / sài / sè, then recall the core meaning: to stop up, to seal, to cork, to block.
  2. Write all 13 strokes while keeping the top-bottom balanced.
  3. Use it in 堵塞 (dǔ sè), meaning “to clog up”.
  4. Read the complete sentence aloud once, then cover the translation and explain how 塞 works in that context.

Definitions and traditional forms are compiled from Make Me a Hanzi, HSK curriculum data, and CC-CEDICT. Sourced example sentences link to Tatoeba; editorial examples are labeled separately. Review data sources and licenses.