Generally interchangeable.
高兴 is more general and can be used to describe a wide range of happy or positive emotions, while 开心 is more specifically used to describe a feeling of joy or delight. In general, both words can be used interchangeably to describe happiness, but 开心 tends to be used in more informal or   contexts, while 高兴 is more commonly used in formal or polite settings.
 

Difference between A and B in Chinese with Shanmei

高兴VS开心 differences

In this episode we chat with a Korean university student who got a good Suneung English score but struggled with real conversations. Hear how a simple practice helped her change this.

Real English Skills

Good English Exam Score... But She Couldn't Speak Fluently Until This

Cześć, mam na imię Ania, Witajcie w czwartym odcinku mojego podcastu o Polsce, polskiej kulturze i języku polskim. Dowiecie się z niego o wyjątkowo smacznej tradycji pochodzącej z Poznania i związanej z polskim świętem niepodległości obchodzonym 11. listopada.

POLish your language

Rogale świętomarcińskie

Charlotte rencontre Pierre

7 - Au café

¡Bienvenidos a Maria y Pablo Spanish! En los episodios anteriores, estuvimos hablando sobre supersticiones o creencias populares de nuestras culturas y ahora compartiremos con ustedes frases, refranes o dichos populares relacionados con animales en español.

Los invitamos a conocernos más en: 

📍María: https://linktr.ee/spanishwithmariap  
📍Pablo: https://linktr.ee/pabloalejos  

Maria & Pablo Spanish

9. Frases, refranes o dichos populares con animales en español

yī yán nán jìn

意思是形容事情曲折复杂，不是一句话能说清楚的

Chinese idioms (中国成语)

一言难尽

🇰🇷 짜요 [jja-yo]
🇫🇷 C'est salé.

🗣️ Vous pouvez pratiquer cette phrase avec mon audio.

1jour 1phrase 🇰🇷 - coréen -

C'est salé 🇰🇷 en coréen ? 

When the occurrence of something is known,“是……的" can be used to emphasize the time, manner, place, purpose and doer involved in the occurrence of the event. “是”can be omitted in positive and interrogative sentences, but not in negative sentences.
tā shì jīn tiān lái běi jīnɡ de 。  
她是今天来北京的。She came to Beijing today.
wǒ shì kāi chē qù xī ān de 。   
我是开车去西安的。I went to Xi 'an by car.
zhè shì zài shànɡ hǎi mǎi de 。  
这是在上海买的。I bought it in Shanghai.
wǒ shì lái yún nán lǚ yóu de 。  
我是来云南旅游的。I came to Yunnan for traveling.
wǎn fàn shì dà wèi zuò de 。
晚饭是大卫做的。David cooked dinner.

wǒ men bú shì zuò fēi jī qù de 。 
我们不是坐飞机去的。We didn't go by plane.

JOJO CHINESE

是……的

🌬️ Breathe Your Way to Fluency! 🌬️
Did you know your breathing style can shape the way you learn a language?

✨ Slow deep breathing → Perfect for grammar, vocabulary & memorization.
⚡ Quick breathing → Boosts energy for speaking & pronunciation.
🌗 Alternate nostril breathing → Balances your brain for accent & confidence.

In this episode, we explore how deep breathing techniques can transform the way you learn a language. Slow deep breathing calms the nervous system and supports grammar, vocabulary, pronunciation, memorization, and speaking. Quicker breathing energizes the brain, helping with active recall, accent practice, and dynamic speaking. Alternate nostril breathing balances the left and right hemispheres of the brain, improving grammar focus, vocabulary association, and emotional regulation for speaking. Breathing is more than a physical act—it becomes a bridge between body and language, supporting learners in a holistic, embodied way.

Discover how each breathing style supports different parts of language learning in Episode 87 of 111 Tips for Learning a Language! 🎙️