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沸 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
沸fèito boilzg, 8 strokes, radical 氵, rank #43622, Very Hard
沸fèito boil, to bubble up, to gushzg, 8 strokes, radical 氵, rank #43622, Very Hard
fèi(fei4)fei T4
  1. 1to boil
  2. 2to boil, to bubble up, to gush
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March 24, 2026

沸fèi(fei4)

The character 沸 (fèi) means 'to boil' or 'to bubble up.' It is commonly used to describe the process of water reaching a high temperature where it starts to form bubbles, as well as in expressions related to enthusiasm or excitement simmering over. In cooking contexts, it signifies the boiling of liquids, such as water or broth.

Strokes8Radical氵Frequency#43622DifficultyVery Hard
Cultural note

In Chinese cuisine, boiling is a fundamental cooking technique, often used in soups and stews. The process of boiling is integral to traditional dishes, such as hot pot, where various ingredients are cooked in bubbling broth at the table.

Memory tip

Think of a pot of water that is 'fèi' (fay) bubbling vigorously on the stove. The character contains the radical 'water' (水), which highlights its connection to liquids boiling. Imagine the sound of the water 'fèi' bubbling over, creating a lively scene in your kitchen.

Meanings of 沸

fèi(fei4)
1to boil
2to boil, to bubble up, to gush
Exercise 1 of 2

By ear

Play it, then pick what 沸 means.

About 沸

沸Simplified
8Strokes
氵Radical
状态词stative word (stat.)Part of Speech
#43622Frequency Rank

Podcast: 沸

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Podcast: 沸

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AI study notes for 沸

Quick Contrast

沸 (fèi) vs 烧 (shāo) — use 沸 when specifically referring to the boiling process, while 烧 indicates heating or cooking without necessarily reaching boiling point.

Usage Notes

Be careful not to confuse 沸 (fèi) with other similar-sounding characters like 费 (fèi), which means 'to spend' or 'to use.' It is generally used in both formal and informal contexts, but you might encounter it more often in culinary discussions. Common collocations include '沸腾' (fèiténg), meaning 'to boil vigorously.'

HSK Study Tips

While 沸 (fèi) is not included in the HSK levels, it is useful for learners at the intermediate stage (HSK 3-4) as it relates to everyday cooking vocabulary. Focus on its usage in context, especially with phrases that describe cooking methods and temperatures.

Common Mistakes

Learners often confuse 沸 (fèi) with related cooking terms but use them incorrectly. For example, saying '我们沸水' (Wǒmen fèi shuǐ) is incorrect; the correct form is '我们煮水' (Wǒmen zhǔ shuǐ) when referring to cooking water.

AI-enhanced 2026-03-24

Pronunciation of 沸

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Etymology of 沸

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

Phonosemantic compound. 氵 represents the meaning and 弗 represents the sound.

Memory hint

water

Semantic (meaning)氵
+
Phonetic (sound)弗
Learn more about Phono-semantic (形声字) characters
Exercise 1 of 1

Origin

沸 = 氵 + 弗. What kind of character does that make it?

Decomposition of 沸

IDS Structure⿰氵弗
沸Full character
=
氵shui3
left
弗fu2
right
Exercise 1 of 2

Parts

Which of these is part of 沸?

How to say to boil in Chinese

“to boil” in Chinese is沸fèi

The character 沸 (fèi) means 'to boil' or 'to bubble up.' It is commonly used to describe the process of water reaching a high temperature where it starts to form bubbles, as well as in expressions related to enthusiasm or excitement simmering over. In cooking contexts, it signifies the boiling of liquids, such as water or broth.

When to use 沸

Be careful not to confuse 沸 (fèi) with other similar-sounding characters like 费 (fèi), which means 'to spend' or 'to use.' It is generally used in both formal and informal contexts, but you might encounter it more often in culinary discussions. Common collocations include '沸腾' (fèiténg), meaning 'to boil vigorously.'

沸 or something close to it

沸 (fèi) vs 烧 (shāo) — use 沸 when specifically referring to the boiling process, while 烧 indicates heating or cooking without necessarily reaching boiling point.

What learners get wrong

Learners often confuse 沸 (fèi) with related cooking terms but use them incorrectly. For example, saying '我们沸水' (Wǒmen fèi shuǐ) is incorrect; the correct form is '我们煮水' (Wǒmen zhǔ shuǐ) when referring to cooking water.

Write 沸

沸

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

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Grammar patterns of 沸

沸 carries 2 distinct meanings. Below you'll find the patterns that show how it combines with other words, plus example sentences pulled directly from native usage.

Exercise 1 of 5

Fill the gap

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

同时,把碗置于微____的水上,将白巧克力放入碗中使其熔化。

Meanwhile, melt the white chocolate in a bowl suspended over simmering water.

Example sentences for 沸 (10)

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1
同时,把碗置于微沸的水上,将白巧克力放入碗中使其熔化。

tóngshí, bǎ wǎn zhì yú Wēi fèi de shuǐ shàng, jiāng bái qiǎokèlì fàng rù wǎn zhōng shǐ qí róng huà。

Meanwhile, melt the white chocolate in a bowl suspended over simmering water.
2
现在能听见楼下人声鼎沸。

xiànzài néng tīngjiàn lóuxià rén shēng dǐng fèi。

Sounds of voices and commotion could be heard downstairs now.
3
水的沸点是373开氏度。

shuǐ de fèi diǎn shì373 kāi shì dù。

The boiling point of water is 373 K.
4
以小火加热酱汁至其沸腾变浓。

yǐ xiǎo huǒ jiārè jiàng zhī zhì qí fèiténg biàn nóng。

Cook the sauce over a low heat until it boils and thickens.
5
往平底锅里加满水,小火煮沸。

wǎng píng de guō lǐ jiā mǎn shuǐ, xiǎo huǒ zhǔ fèi。

Fill a saucepan with water and bring to a slow boil.
6
较重的沸腾着的馏分以液态停留在多孔的壁上.

jiào zhòng de fèiténg zhe de liú fēn yǐ yè tài tíngliú zài duō Kǒng de bì shàng.

The heavier boiling fractions remain, in liquid form on the manifold wall.
7
把水、黄油和猪油倒入平底锅,然后慢火煮沸。

bǎ shuǐ、 huáng yóu hé zhū yóu dào rù píng de guō, ránhòu màn huǒ zhǔ fèi。

Put water, butter and lard into a saucepan and bring slowly to the boil.
8
切勿让这种混合物沸腾。

qiē wù ràng zhè zhǒng hùnhé wù fèiténg。

On no account should the mixture boil.
9
把炖锅置于中火上加热,直到苹果酒变得很烫,但不要加热到沸腾。

bǎ dùn guō zhì yú zhōng huǒ shàng jiārè, zhídào píngguǒ jiǔ biàn de hěn tàng, dàn búyào jiārè dào fèiténg。

Place the saucepan over moderate heat until the cider is very hot but not boiling.
10
煮沸的牛奶溢出了奶锅.

zhǔ fèi de niúnǎi yì chū le nǎi guō.

The pan overflowed with boiling milk.

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Word Family of 沸

Words containing this character12
沸腾fèiténgto flare up沸騰
沸沸扬扬fèifèiyángyánghubbubing沸沸揚揚
煮沸zhǔfèito boil
沸fèito boil
沸水fèishuǐboiling water
热血沸腾rèxuèfèiténgto be fired up (idiom)熱血沸騰
沸点fèidiǎnboiling point沸點
人声鼎沸rénshēngdǐngfèihubbub人聲鼎沸
沸石fèishízeolite
鼎沸dǐngfèia racket
民怨沸腾mínyuànfèiténgseething discontent (idiom); popular grievances boil over民怨沸騰
滚沸gǔnfèi(of a liquid) to boil滾沸
Exercise 1 of 4

Words with 沸

What does 沸腾 mean?

Frequently asked questions about 沸

沸 (fèi) specifically refers to the state of boiling, while 煮 (zhǔ) means to cook or boil food.

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