热 (rè): hot, to heat

热 (rè) is a Chinese character meaning “hot, to heat.” Classified as HSK Level 1 (HSK 3.0 Standard, CLEC 2022), it is composed of 执 (phonetic) and 灬 (semantic). It ranks #606 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 热 fire. Its radical form 灬 (fire) appears in many related characters such as 点 (diǎn, point, o'clock), 然 (rán, nature, thus), 照 (zhào, shine, according to).

Spoken pronunciation

Definitions

  1. hot, to heat

Etymology & Origin

热

pictophoneticfire

Decomposition: ⿱执灬 (layout: top-bottom)

Stroke Order

1
2
3
4
5
6
7
8
9
10

Practice writing 热 with real-time feedback — trace each stroke in the correct order and build muscle memory in the HanziFeed app.

Words & Compounds

HSK Vocabulary with 热

WordPinyinMeaningHSK
热情adjectiverè qíngcordial3
热爱verbrè àito love ardently5
热线nounrè xiànhotline (communications link)6
热烈adjectiverè lièenthusiastic5
热门nounrè ménpopular6
热闹adjective/verb/nounrè naobustling with noise and excitement4
热心adjectiverè xīnenthusiastic5
热量nounrè liàngheat5
加热verbjiā rèto heat5
炎热adjectiveyán rèblistering hot6
热点nounrè diǎnhot spot6
热度nounrè dùlevel of heat6
热议verbrè yìto discuss passionately6
热水器nounrè shuǐ qìwater heater6

Common Compounds

WordPinyinMeaning
热狗nounrè gǒuhot dog (loanword)
狂热adjectivekuáng rèzealotry
亲热adjectiveqīn rèaffectionate
热水nounrè shuǐhot water
热身verbrè shēnto warm up (sports)
热衷verbrè zhōngto feel strongly about
热带nounrè dàithe tropics
火热adjectivehuǒ rèfiery
发热verbfā rèto have a high temperature
热血adjectiverè xuèhot blood
热浪nounrè làngheat wave
热恋verbrè liànto fall head over heels in love
热潮nounrè cháowave of enthusiasm
白热化bái rè huàto turn white-hot
热切adjectiverè qièfervent
106
Total compounds
56
As first character
42
As last character
2
As middle character

热 appears in 106 compound words: 56 as the first character, 42 as the last, and 2 in a middle position. Compound statistics computed from SUBTLEX-CH and HSK 3.0 vocabulary data.

Strongest Collocations

Characters that most frequently co-occur with 热 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

带dài
0.69047,942 co-occurrences
气qì
0.56017,208 co-occurrences
暴bào
0.53412,776 co-occurrences
风fēng
0.52814,220 co-occurrences
湿shī
0.5222,828 co-occurrences
闹nào
0.4891,270 co-occurrences
衷zhōng
0.4752,463 co-occurrences
狂kuáng
0.4653,094 co-occurrences
低dī
0.4629,124 co-occurrences
旋xuán
0.4544,760 co-occurrences

Idioms & Chengyu (14)

趁热打铁chènrèdǎtiěHSK 6+

strike while the iron is hot

phrase
打铁趁热dǎtiěchènrèHSK 6+

strike while the iron is hot

phrase
地热电站dì rè diàn zhànHSK 2+

geothermal electric power station

phrase
酒酣耳热jiǔ hān ěr rèHSK 7+

tipsy and merry (idiom)

phrase
冷嘲热讽lěngcháorèfěngHSK 7+

burning satire and freezing irony; to sarcastically ridicule

phrase
热岛效应rèdǎo xiàoyìngHSK 6+

short for 城市熱島效應/城市热岛效应 (chéngshì rèdǎo xiàoyìng, “heat island effect”)

noun
热泪盈眶rèlèiyíngkuàngHSK 7+

to be moved to tears

phrase
热气腾腾rèqìténgténgHSK 7+

steaming hot; seething with activity

phrase
热情洋溢rèqíngyángyìHSK 7+

brimming with enthusiasm; ebullient

phrase
萨拉热窝SàlārèwōHSK 7+

Sarajevo (the capital city of Bosnia and Herzegovina)

水深火热shuǐ shēn huǒ rèHSK 4+

deep water and scorching fire; abyss of suffering (idiom)

phrase
炙手可热zhì shǒu kě rè

lit. burn your hand, feel the heat (idiom); fig. arrogance of the powerful; a mighty figure no-one dares approach

phrase

Showing 12 of 14 idioms containing 热.

Example Sentences

AI-Generated

这个夏天特别热,空调销量比去年同期增长了百分之三十。

Zhè gè xiàtiān tèbié rè, kōngtiáo xiāoliàng bǐ qùnián tóngqī zēngzhǎng le bǎifēnzhī sānshí.

This summer is especially hot, and air conditioner sales have increased by thirty percent compared to the same period last year.

百度新闻Feb 2026

黄金消费火热、春节不打烊,电商人一周三飞

huáng jīn xiāo fèi huǒ rè , chūn jié bù dǎ 烊 , diàn shāng rén yī zhōu sān fēi

Gold consumption is hot, the Spring Festival is not closed, and e-commerce people fly three times a week

百度新闻Feb 2026

机器人春晚PK赛:热闹之余,多想三个问题 | 视频

jī qì rén chūn wǎn sài rè nào zhī yú , duō xiǎng sān gě wèn tí shì pín

Robot Spring Festival PK Match: Three Questions to Ask While You're Watching | VIDEO

百度新闻Feb 2026

一杯热水赠归人 一句感谢显温情 环兰高速人:点...

yī bēi rè shuǐ zèng guī rén yī gōu gǎn xiè xiǎn wēn qíng huán lán gāo sù rén diǎn . . .

A cup of hot water to the returnees A word of thanks to show the warmth of the Huanlan high-speed people: point...

百度新闻Feb 2026

春晚引爆机器人热潮!上百股或受益,节前逾20亿抢筹..

chūn wǎn yǐn bào jī qì rén rè cháo ! shǎng bǎi gǔ huò shòu yì , jié qián yú yì qiāng chóu . .

Spring Festival Gala Sparks Robot Boom! Hundreds of Stocks May Benefit, Over 2 Billion Yuan Snapped Up Before the Holiday...

百度新闻Feb 2026

首次举办新春市集,大学路迎来“最热闹的春节”

shǒu cì jǔ bàn xīn chūn shì jí , dà xué lù yíng lái zuì rè nào de chūn jié

University Road Hosts Its First-Ever Spring Festival Market, Marking Its "Livelyest Lunar New Year"

Tatoeba

明天会不会又很热?

Míngtiān huìbùhuì yòu hěn rè?

Will it be hot again tomorrow?

Tatoeba

为什么这两天一天比一天热?

Wèishénme zhè liǎng tiān yī tiān bǐ yī tiān rè?

Why has it been getting hotter and hotter these last two days?

Tatoeba

这牛奶是冷的还是热的?

Zhè niúnǎi shì lěng de háishi rè de?

Is the milk cold, or still hot?

Tatoeba

热水袋真是冬日必备好物!

Rèshuǐdài zhēnshi dōng rì bìbèi hǎowù!

A hot water bottle is something you must buy to prepare for the winter months.

Character Family

Semantic Family — Characters sharing the 灬 (fire) component

Homophones — Characters pronounced rè

Frequently Asked Questions

What does 热 (rè) mean in Chinese?
热 (rè) primarily means "hot, to heat." It is classified as HSK Level 1, making it a beginner-level character. It ranks #606 in character frequency.
What's the difference between 热 and 寒?
热 (rè) and 寒 (hán) are often confused. antonym. The key distinguishing feature: 热 (hot) vs 寒 (cold).
How many strokes does 热 have?
热 is written with 10 strokes. The correct stroke order matters for recognition and handwriting speed — practice with the animated guide above to build proper technique.
What is the radical of 热?
The radical associated with 热 is 灬 (fire). This radical appears in many characters related to fire.
What are the components of 热?
热 is composed of: 执 (phonetic), 灬 (semantic). Its IDS decomposition is ⿱执灬 with a top-bottom layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 热?
Common words with 热 include: 热情 (rè qíng, "cordial"); 热狗 (rè gǒu, "hot dog (loanword)"); 热爱 (rè ài, "to love ardently"); 热线 (rè xiàn, "hotline (communications link)"); 狂热 (kuáng rè, "zealotry"). There are over 106 compound words containing this character.
What characters sound the same as 热 (rè)?
Several characters share the pronunciation rè: 惹 (to provoke). Context and tones help distinguish between them in speech and writing.
Is 热 the same in simplified and traditional Chinese?
No. The simplified form is 热 and the traditional form is 熱.

Practice writing 热 with real-time feedback

Trace stroke sequences, hear spoken pronunciation, and build lasting retention with spaced repetition in the HanziFeed app.

Character data sourced from Unihan (Unicode Consortium), SUBTLEX-CH frequency corpus (Cai & Brysbaert, 2010), and Make Me a Hanzi (stroke data). Collocation strength measured via NPMI (Normalized Pointwise Mutual Information). Verified by the HanziFeed linguistics team.

HSK classification follows the HSK 3.0 Standard (Center for Language Education and Cooperation, CLEC, 2022 revision). Idiom data from Wiktionary (CC BY-SA 3.0).

Data last verified: March 2026.