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快乐 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
快乐kuàilèhappyHSK 2, a, 12 strokes, rank #596, Easy
快乐kuàilèmerryHSK 2, a, 12 strokes, rank #596, Easy
kuàilè(kuai4le4)kuai le T4
  1. 1happy
  2. 2merry
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March 24, 2026

快乐(快樂)kuàilè(kuai4le4)

快乐 (kuài lè) means 'happy' or 'merry.' It is commonly used to express feelings of joy and contentment in both personal and social contexts, such as celebrating accomplishments or enjoying time with friends. The term can also describe a general state of happiness or the presence of cheerful moments.

Strokes12Frequency#596DifficultyEasy
Cultural note

In Chinese culture, expressing happiness is often linked to social gatherings and celebrations, such as festivals and family reunions. Saying '快乐' is essential during occasions like birthdays, where the phrase '生日快乐' (shēngrì kuàilè) is commonly used.

Memory tip

Imagine a 'kuai' (快) rabbit hopping joyfully through a field, spreading 'le' (乐) as it bounces. The rabbit's speed and happiness represent the essence of being merry and joyful, making it easy to remember the pronunciation and meaning of 快乐.

Meanings of 快乐

kuàilè(kuai4le4)
1happy
2merry
Exercise 1 of 2

By ear

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About 快乐

快乐Simplified
快樂Traditional
12Strokes
—Radical
形容词xíngróngcíadjective (adj.)Part of Speech
#596Frequency Rank
HSK 2.0L2HSK 3.0L2ElementaryTOCFLL2HSKKL1CEFRA1

Podcast: 快乐

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Podcast: 快乐

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AI study notes for 快乐

Quick Contrast

愉快 (yúkuài) — use 快乐 (kuàilè) for a more general or informal sense of happiness, while 愉快 (yúkuài) often conveys a more refined or formal feeling of pleasure.

Usage Notes

Learners often confuse 快乐 with other terms for happiness, like 开心 (kāi xīn), which is more about being cheerful. While 快乐 is appropriate in both formal and informal contexts, ensure you use it in situations that warrant a general expression of joy. Be cautious with tones, as mispronouncing 'kuai' could change the meaning.

HSK Study Tips

As an HSK Level 2 word, 快乐 connects well with other emotions and states of being you will learn at this level, such as 兴奋 (xīng fèn, excited) and 难过 (nán guò, sad). Focus on using 快乐 in sentences to express your feelings or describe situations that bring joy.

Common Mistakes

Learners sometimes mistakenly use 快乐 as a noun, saying '我的快乐' (my happiness) incorrectly; instead, use '我的开心' or '我的快乐的感觉.' Additionally, mispronouncing the tones can lead to confusion with similar-sounding words.

AI-enhanced 2026-03-24

Pronunciation of 快乐

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Component characters

快kuàirapid
HSK 27 strokes忄
View full entry
乐lèhappy
HSK 35 strokes丿
View full entry

How to say happy in Chinese

“happy” in Chinese is快乐kuàilè

快乐 (kuài lè) means 'happy' or 'merry.' It is commonly used to express feelings of joy and contentment in both personal and social contexts, such as celebrating accomplishments or enjoying time with friends. The term can also describe a general state of happiness or the presence of cheerful moments.

When to use 快乐

Learners often confuse 快乐 with other terms for happiness, like 开心 (kāi xīn), which is more about being cheerful. While 快乐 is appropriate in both formal and informal contexts, ensure you use it in situations that warrant a general expression of joy. Be cautious with tones, as mispronouncing 'kuai' could change the meaning.

快乐 or something close to it

愉快 (yúkuài) — use 快乐 (kuàilè) for a more general or informal sense of happiness, while 愉快 (yúkuài) often conveys a more refined or formal feeling of pleasure.

What learners get wrong

Learners sometimes mistakenly use 快乐 as a noun, saying '我的快乐' (my happiness) incorrectly; instead, use '我的开心' or '我的快乐的感觉.' Additionally, mispronouncing the tones can lead to confusion with similar-sounding words.

Write 快乐

快
乐

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

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Grammar patterns of 快乐

快乐 functions as an adjective. In Chinese it behaves like a stative verb: place it directly after the subject without 是 (我很高,not 我是高). Use 不 to negate (不高) and pair it with 很 in plain affirmative sentences. It carries 2 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 4

Fill the gap

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

迎接他的是大家齐唱《祝你生日____》,令他非常感动。

He was greeted with a rousing chorus of Happy Birthday.

Example sentences for 快乐 (14)

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1
迎接他的是大家齐唱《祝你生日快乐》,令他非常感动。

yíngjiē tā de shì dàjiā qí chàng《 zhù nǐ shēngrì kuàilè》, lìng tā fēicháng gǎndòng。

He was greeted with a rousing chorus of Happy Birthday.
2
遗憾的是,这个快乐的故事结局却比较伤感。

yíhàn de shì, zhège kuàilè de gùshi jiéjú què bǐjiào shānggǎn。

Unfortunately, this happy story finishes on a more sombre note.
3
为什么不接受新的培训,找一份让你更快乐的工作?

wèishénme bù jiēshòu xīn de péixùn, zhǎo yī fèn ràng nǐ gèng kuàilè de gōngzuò?

Why not retrain for a job which will make you happier?
4
我在伯明翰度过了一段非常快乐的时光。

wǒ zài bà míng hàn dùguò le yī duàn fēicháng kuàilè de shíguāng。

I had a whale of a time in Birmingham.
5
他是个快乐、好脾气的孩子。

tā shì gè kuàilè、 hǎo píqi de háizi。

He was a happy, good-tempered child.
6
一般人认为有压力的事情在他看来却是快乐无比的事。

yìbān rén rènwéi yǒu yālì de shìqing zài tā kànlái quèshì kuàilè wúbǐ de shì。

What normal people considered pressure was meat and drink to him.
7
我已经不是他记忆中那个似乎永远快乐无忧的人了。

wǒ yǐjīng bùshì tā jìyì zhōng nàge sìhū yǒngyuǎn kuàilè wú yōu de rén le。

I'm no longer the apparently eternally cheerful chappy he remembers.
8
我不想让他感到被抛弃而不快乐。

wǒ bù xiǎng ràng tā gǎndào bèi pāoqì ér bù kuàilè。

I don't want him to feel forsaken and unhappy.
9
我只想祝福你圣诞快乐。

wǒ zhī xiǎng zhùfú nǐ shèng dàn kuàilè。

I just wanted to wish you a merry Christmas.
10
格雷戈里仍为香农的朝气、快乐和美丽着迷。

gé léi gē lǐ réng wèi xiāng nóng de cháo qì、 kuàilè hé měilì zháomí。

Gregory was still enchanted with Shannon's youth and joy and beauty.
11
祝你生日快乐!

Zhù nǐ shēngrì kuàilè!

Happy birthday to you!
12
听音乐让我很快乐。

Tīng yīnyuè ràng wǒ hěn kuàilè.

Listening to music makes me happy.
13
和朋友在一起,我总是很快乐。

Hé péngyǒu zài yīqǐ, wǒ zǒng shì hěn kuàilè.

I am always happy when I am with my friends.
14
小狗跑来跑去,看起来很快乐。

Xiǎo gǒu pǎo lái pǎo qù, kànqǐlái hěn kuàilè.

The puppy runs around and looks very happy.

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Frequently asked questions about 快乐

Yes, you can say someone is 快乐 to express that they are happy, often in social contexts.

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