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未必 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
未必wèibìnot necessarilyHSK 6, d, 10 strokes, rank #9966, Hard
未必wèibìmaybe notHSK 6, d, 10 strokes, rank #9966, Hard
wèibì(wei4bi4)wei bi T4
  1. 1not necessarily
  2. 2maybe not
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March 24, 2026

未必wèibì(wei4bi4)

The term 未必 (wèibì) means 'not necessarily' or 'maybe not', indicating uncertainty or the possibility that something may not happen as expected. It is commonly used in discussions where one wants to express doubt about a statement or assumption, suggesting that the outcome is not guaranteed.

Strokes10Frequency#9966DifficultyHard
Cultural note

In Chinese culture, being non-committal or leaving room for doubt is often seen as a way to maintain harmony and avoid confrontation. Thus, using 未必 appropriately reflects cultural values in communication.

Memory tip

Think of 未 (wèi) as a 'not yet' sign, indicating something is pending, and 必 (bì) as a 'mandatory' symbol. Together, they form a phrase that suggests that something isn't a must or a sure thing — imagine a road sign saying 'not yet mandatory'.

Meanings of 未必

wèibì(wei4bi4)
1not necessarily
2maybe not
Exercise 1 of 2

By ear

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About 未必

未必Simplified
10Strokes
—Radical
副词fùcíadverb (adv.)Part of Speech
#9966Frequency Rank
HSK 2.0L5HSK 3.0L6IntermediateTOCFLL4HSKKL2CEFRB1

Podcast: 未必

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Podcast: 未必

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AI study notes for 未必

Quick Contrast

也许 (yěxǔ, maybe) — use 未必 when emphasizing doubt about a certainty rather than simply suggesting a possibility.

Usage Notes

Learners often confuse 未必 with 一定 (yídìng), which means 'definitely'. Remember that 未必 implies uncertainty, so use it when you want to express doubt or possibility. It is more informal, often used in spoken language.

HSK Study Tips

As an HSK Level 5 word, 未必 connects well with other terms expressing uncertainty, such as 可能 (kěnéng, 'possibly') and 或许 (huòxǔ, 'perhaps'). Focus on using it in context to practice expressing nuanced opinions.

Common Mistakes

Learners often misuse 未必 by using it in statements that require certainty, such as '他未必会来' (He may not come) instead of '他一定会来' (He will definitely come). Remember that 未必 expresses doubt.

AI-enhanced 2026-03-24

Pronunciation of 未必

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Component characters

未wèinot yet
HSK 65 strokes木
View full entry
必bìcertainly
HSK 55 strokes心
View full entry

How to say not necessarily in Chinese

“not necessarily” in Chinese is未必wèibì

The term 未必 (wèibì) means 'not necessarily' or 'maybe not', indicating uncertainty or the possibility that something may not happen as expected. It is commonly used in discussions where one wants to express doubt about a statement or assumption, suggesting that the outcome is not guaranteed.

When to use 未必

Learners often confuse 未必 with 一定 (yídìng), which means 'definitely'. Remember that 未必 implies uncertainty, so use it when you want to express doubt or possibility. It is more informal, often used in spoken language.

未必 or something close to it

也许 (yěxǔ, maybe) — use 未必 when emphasizing doubt about a certainty rather than simply suggesting a possibility.

What learners get wrong

Learners often misuse 未必 by using it in statements that require certainty, such as '他未必会来' (He may not come) instead of '他一定会来' (He will definitely come). Remember that 未必 expresses doubt.

Write 未必

未
必

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

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Grammar patterns of 未必

未必 functions as an adverb — it modifies a verb, adjective, or another adverb. In Chinese, adverbs sit BEFORE the verb they modify (我也去, 他常常迟到), never after it. 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.

这个消息____可靠,咱们再等等吧。

This news is not necessarily reliable — let's wait a bit.

Example sentences for 未必 (6)

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1
生意不景气也未必全是坏事。

shēngyi bùjǐngqì yě wèibì quán shì huàishì。

Some good might come of all this gloomy business.
2
即便是聪明人在面对难题时也未必就能表现得特别聪明。

jíbiàn shì cōngmíng rén zài miànduì nántí shí yě wèibì jiù néng biǎoxiàn de tèbié cōngmíng。

Even clever people are not terribly clever when put on the spot.
3
对我们来说是对的东西,对别人来说未必正确。

duì wǒmen lái shuō shì duì de dōngxi, duì biérén lái shuō wèibì zhèngquè。

What is right for us need not be right for others.
4
当地人的感受未必与媒体一致。

dāngdì rén de gǎnshòu wèibì yǔ méitǐ yízhì。

Local feeling does not necessarily concur with the press.
5
“那么我们是被困住了。”——“未必。”

“ nàme wǒmen shì bèi kùn zhù le。”——“ wèibì。”

"So we're trapped." — "Not necessarily."
6
虽然她穷, 却未必不诚实.

suīrán tā qióng, què wèibì bù chéngshí.

Although she is poor, it doesn't follow that she is dishonest.

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Frequently asked questions about 未必

While it's primarily informal, you can use it in semi-formal contexts, but be cautious in very formal writing.

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