How to Say "Happy Halloween" in Chinese

万圣节快乐

Happy Halloween in Chinese is 万圣节快乐. If unsure, use 万圣节快乐. Wiktionary also lists 萬聖節快樂 / 万圣节快乐.

Meaning: holiday greeting (phrase)

Ways to say it

“happy halloween” in Chinese
Chinese
万圣节快乐
萬聖節快樂 / 万圣节快乐

The phrase is used as a holiday greeting. For an informal version, you can say 万圣节快乐，不给糖就捣蛋！ which means Happy Halloween, trick or treat!

The phrase 万圣节快乐 is composed of 万圣节 (wàn shèng jié), meaning 'All Saints' Day' or 'Halloween' and 快乐 (kuài lè), meaning 'happy'.

万圣节快乐 is the standard greeting in most Mandarin-speaking regions of China, including Beijing and Shanghai.

In Chinese, the structure for holiday greetings is [Holiday Name] + 快乐.

The character 万 (wàn) in 万圣节 means 'ten thousand', which is a common way in Chinese to express 'countless' or 'myriad'.
In mainland China, Halloween is primarily viewed as a commercial and pop-culture event rather than a religious or spooky one.
In mainland China, you will mostly see the simplified characters 万圣节快乐, but in Taiwan or Hong Kong, you will see the traditional characters 萬聖節快樂.

万圣节快乐！
Happy Halloween!
This sentence is useful for saying Happy Halloween!
Tatoeba #343668 by fucongcong, translation #34980 by gin
你好！[Your friend's name]，万圣节快乐！今晚打算参加什么派对？
Hello! [Your friend's name], Happy Halloween! What parties are you planning to attend tonight?
祝大家万圣节快乐！
Zhù dàjiā Wànshèngjié kuàilè!
Wishing everyone a happy Halloween!
万圣节快乐，小朋友们。
Wànshèngjié kuàilè, xiǎopéngyǒumen.
Happy Halloween, children.

Two friends meet at a costume party.

晓雯 Xiaowen

志强，万圣节快乐！
Zhìqiáng, Wànshèngjié kuàilè!
Zhiqiang, happy Halloween!
志强 Zhiqiang

谢谢，晓雯，万圣节快乐！
Xièxiè, Xiǎowén, Wànshèngjié kuàilè!
Thanks, Xiaowen, happy Halloween!
晓雯 Xiaowen

你的装扮真酷。
Nǐ de zhuāngbiàn zhēn kù.
Your costume is really cool.
志强 Zhiqiang

谢谢，我也很喜欢你的。
Xièxiè, wǒ yě hěn xǐhuān nǐ de.
Thanks, I really like yours too.

Sources

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