---
title: "Buxu Meaning: 不许 (bùxǔ) Means “not allowed”"
description: "不许 (traditional 不許, bùxǔ) means “not allowed; must not”. Hear its tones, see what 不 and 许 each mean and a real sentence that uses it."
canonical: "https://mandarinthewild.com/meaning/buxu"
published: "2026-10-21"
updated: "2026-11-06"
author: "Mandarin The Wild"
---

[What does it mean in Chinese?](https://mandarinthewild.com/meaning)

# What does 不许 mean?

猫头鹰māotóuyīngowl

不许 bùxǔ

## not allowed; must not

## Its characters

1. 不 bù not
2. 许 xǔ to allow

## In a sentence

这里不许吸烟。 Smoking is not allowed here.

这个字很好懂，就是“**不许**进去”。

From [紫禁城为什么叫紫禁城？ · Why is it called the Forbidden City?](https://mandarinthewild.com/library/read/why-is-it-called-the-forbidden-city#library-word-97-99)

[More about 不许](https://mandarinthewild.com/words/%E4%B8%8D%E8%AE%B8)

## More words with 不 or 许

- [必不可少 bìbùkěshǎo](https://mandarinthewild.com/meaning/bibukeshao)
- [不安 bù’ān](https://mandarinthewild.com/meaning/buan)
- [不必 bùbì](https://mandarinthewild.com/meaning/bubi)
- [不便 bùbiàn](https://mandarinthewild.com/meaning/bubian)
- [不曾 bùcéng](https://mandarinthewild.com/meaning/buceng)
- [不成 bùchéng](https://mandarinthewild.com/meaning/bucheng)
- [不错 bùcuò](https://mandarinthewild.com/meaning/bucuo)
- [不但 bùdàn](https://mandarinthewild.com/meaning/budan)
- [不当 bùdàng](https://mandarinthewild.com/meaning/budang)
- [不得 bùdé](https://mandarinthewild.com/meaning/bude)

## Keep 不许 for Review

A free account keeps it, and Review brings it back just before you’d forget it.

## Look up another word

## See any word in its sentence

Get a card like this for every word on any page or YouTube subtitle.

[Add to Chrome](https://mandarinthewild.com/go/chrome?from=%2Fmeaning%2Fbuxu) [Read in the Library](https://mandarinthewild.com/library)

[Turn simplified Chinese into traditional](https://mandarinthewild.com/simplified-to-traditional)

[How it compares with Du Chinese](https://mandarinthewild.com/compare/du-chinese)