When do I use 别 vs 不要 for 'don't'?

Use 别 for neutral, everyday prohibitions like advice or casual warnings. Use 不要 for stronger commands, formal rules, or when you want to emphasize that something is not allowed. In most spoken contexts, 别 is the default, while 不要 adds weight.

Can 不要 always replace 别?

No. While 不要 can be used as a prohibitive, using it in place of 别 may sound overly emphatic or unnatural in casual speech. Additionally, 不要 has the separate meaning 'do not want', which 别 lacks. For simple 'don't' commands, 别 is generally preferred.

How do I say 'I don't want' in Chinese?

Use 不要 alone or after a subject: 我不要 (wǒ búyào) means 'I don't want'. Do not use 别 for this meaning, as 别 only functions as a prohibitive.

Is 别 always informal?

别 is common in both spoken and written Chinese, but it is less formal than 不要 in prohibitive contexts. For official signs or written rules, 不要 is more typical, though 别 can still appear in less formal notices.

Easily confusedHSK 2

别 vs 不要 (bié vs búyào): which “don't” to use

别 (bié) and 不要 (búyào) both express negative imperatives meaning 'don't', but they differ in force and usage. 别 is the standard, neutral prohibitive marker, while 不要 is more emphatic and also means 'do not want' as a statement. Choosing between them depends on the desired tone: 别 for everyday requests, 不要 for stronger commands or when clarity is needed.

Both 别 (bié) and 不要 (búyào) are used to form negative imperatives, equivalent to English 'don't'. The key distinction is that 别 is a dedicated prohibitive marker, neutral in tone and used in everyday, casual commands. 不要, which literally means 'do not want', can also function as a strong prohibitive, often implying a more emphatic or authoritative command. Additionally, 不要 retains its literal meaning of 'do not want' when used in declarative sentences, while 别 never carries that meaning. Choosing between them depends on the desired force and context: 别 for simple, gentle prohibitions; 不要 for firmer orders or when emphasizing unwillingness.

Quando usare ciascuno

别bié

don't

Use 别 for general, neutral prohibitions. It is the most common way to tell someone not to do something in everyday conversation, advice, or requests. It can be used with any verb and is the go-to choice for negative imperatives in informal settings.

别 cannot mean 'do not want'; it is purely a prohibitive marker. It often carries a softer, more colloquial tone than 不要.

不要bú yào

don't / not want

Use 不要 for emphatic or formal prohibitions, such as in written warnings, rules, or commands that require a stronger tone. It also functions as a verb phrase meaning 'do not want', e.g., 我不要 (I don't want).

As a prohibitive, 不要 can sound more authoritative or forceful than 别. In some contexts, adding 请 (please) can soften it: 请不要 (please don't).

In sintesi

	别	不要
Primary function	Dedicated prohibitive marker	Prohibitive marker or 'do not want' statement
Forcefulness / register	Neutral, informal, often gentle	More emphatic, formal, or authoritative
Can mean 'do not want'?	No	Yes, as a verb phrase
Negation of 要	N/A	Literally negates 要 (want)
Use in written prohibitions	Less common in formal signs	Common in notices and rules (e.g., 不要吸烟)

Esempi

别
别说话。
Bié shuō huà.
Don't speak.
Natural, neutral command.
不要
不要在这里吸烟。
Bú yào zài zhè lǐ xī yān.
Do not smoke here.
More emphatic; often seen on signs.
别
别担心，我会帮你的。
Bié dān xīn, wǒ huì bāng nǐ de.
Don't worry, I will help you.
Comforting, not forceful.
不要
我不要咖啡，我要茶。
Wǒ bú yào kā fēi, wǒ yào chá.
I don't want coffee, I want tea.
Literal 'do not want' meaning, not a prohibition.
不要
请不要迟到。
Qǐng bú yào chí dào.
Please don't be late.
Softer prohibition with 请.
别
别跑！
Bié pǎo!
Don't run!
Quick, natural warning.

Errori comuni

Using 不要 in a gentle request when 别 is more natural (e.g., saying '不要担心' instead of '别担心' sounds overly strong).
Using 别 to mean 'do not want' (e.g., '我别咖啡' is wrong; must use 不要).
Overusing 不要 in all prohibitions, making speech sound harsh or overly formal in casual contexts.
Forgetting that 不要 can also be a declarative statement; misinterpreting '我不要' as an imperative.

FAQ

When do I use 别 vs 不要 for 'don't'?: Use 别 for neutral, everyday prohibitions like advice or casual warnings. Use 不要 for stronger commands, formal rules, or when you want to emphasize that something is not allowed. In most spoken contexts, 别 is the default, while 不要 adds weight.
Can 不要 always replace 别?: No. While 不要 can be used as a prohibitive, using it in place of 别 may sound overly emphatic or unnatural in casual speech. Additionally, 不要 has the separate meaning 'do not want', which 别 lacks. For simple 'don't' commands, 别 is generally preferred.
How do I say 'I don't want' in Chinese?: Use 不要 alone or after a subject: 我不要 (wǒ búyào) means 'I don't want'. Do not use 别 for this meaning, as 别 only functions as a prohibitive.
Is 别 always informal?: 别 is common in both spoken and written Chinese, but it is less formal than 不要 in prohibitive contexts. For official signs or written rules, 不要 is more typical, though 别 can still appear in less formal notices.