Skip to content
Stroke order, etymology and audio for every word.Start learning
不知 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
不知bùzhīnot to knowHSK 7, unknown, 12 strokes, rank #1588, Very Hard
不知bùzhīunawareHSK 7, unknown, 12 strokes, rank #1588, Very Hard
不知bùzhīunknowinglyHSK 7, unknown, 12 strokes, rank #1588, Very Hard
不知bùzhīfig. not to admit (defeat, hardships, tiredness etc)HSK 7, unknown, 12 strokes, rank #1588, Very Hard
bùzhī(bu4zhi1)bu zhi T4
  1. 1not to know
  2. 2unaware
Listen to the audio pronunciation 3 times to gain XP
March 24, 2026

不知bùzhī(bu4zhi1)

不知 (bù zhī) means 'not to know' or 'unaware.' It is commonly used to express a lack of knowledge about something, either in a literal sense or figuratively, such as not admitting defeat or hardships. The nuance often implies a sense of ignorance or unawareness in various contexts.

Strokes12Frequency#1588DifficultyVery Hard
Cultural note

In Chinese culture, being unaware or not admitting something can reflect a more collective approach to social harmony, where acknowledging shortcomings is often avoided to maintain face. This concept is closely tied to the values of modesty and humility.

Memory tip

Think of '不' (bù) meaning 'not' and '知' (zhī) meaning 'to know.' Visualize a person shaking their head in confusion, saying '不知' as they encounter something they do not understand. The sound '不' can also remind you of 'boo,' as if they are booing their own lack of knowledge.

Meanings of 不知

bùzhī(bu4zhi1)
1not to know
2unaware
Exercise 1 of 2

By ear

Play it, then pick what 不知 means.

About 不知

不知Simplified
12Strokes
—Radical
#—Frequency Rank
HSK 3.0L7AdvancedTOCFLL5BCT✓CEFRC2

Podcast: 不知

JasonAmy

Podcast: 不知

Listen to Jason & Amy break down this word for you

AI study notes for 不知

Quick Contrast

不懂 (bù dǒng) - use 不知 when expressing a general lack of knowledge or awareness, while 不懂 specifically indicates a lack of understanding or comprehension.

Usage Notes

Learners often confuse 不知 with other phrases like 没有 (méiyǒu) which means 'not have.' It's important to remember that 不知 specifically refers to the state of not knowing something. The word can be used in both formal and informal contexts, but be cautious with tone; the first syllable, 不, should be pronounced with a falling tone.

HSK Study Tips

不知 is not currently an HSK vocabulary word, but it connects to HSK Level 2 words like 知道 (zhīdào), which means 'to know.' Students should focus on the contrast between 不知 and 知道 to deepen their understanding of knowledge states in Mandarin.

Common Mistakes

Learners often confuse 不知 with 知道, using them interchangeably, such as saying '我不知' (wǒ bù zhī) when they mean 'I do not know' in a casual context. The correct and more common phrase is '我不知道' (wǒ bù zhī dào).

AI-enhanced 2026-03-24

Pronunciation of 不知

Premium — Locked

Tone practice

Pro

Drill the tone of 不知, say it back, see your pitch against the model voice, and earn XP towards mastery. Interactive tone practice is part of Pro.

Tone drillsPitch drawing+5 XP
Get Pro to unlock

Jason Explains 不知 to you

Let me explain 不知 for you

Make it yours

Jason looks at what you watch and listen to, the checkpoints you have cleared, our lessons and what you have been exploring, and explains 不知 through them.

Sign in free to make it personal. New accounts start with 200 AI credits.

How well do you know 不知?

Example

Learning Lab

Knowing 不知 is seven skills, not one.

Its meaning, its character, its pinyin, its tone — hearing it, saying it, writing it. The Learning Lab measures each one from your own practice, on every word you study, so you see what you actually know rather than how much you have done.

  • MeaningFree
  • CharacterFree
  • PinyinFree
  • TonePro
  • ListeningPro
  • SpeakingPro
  • WritingPro
See the Learning Lab Three facets free · no card needed

Component characters

不bù(negative prefix)
HSK 14 strokes一
View full entry
知zhīto know
HSK 68 strokes矢
View full entry

How to say not to know in Chinese

“not to know” in Chinese is不知bùzhī

不知 (bù zhī) means 'not to know' or 'unaware.' It is commonly used to express a lack of knowledge about something, either in a literal sense or figuratively, such as not admitting defeat or hardships. The nuance often implies a sense of ignorance or unawareness in various contexts.

When to use 不知

Learners often confuse 不知 with other phrases like 没有 (méiyǒu) which means 'not have.' It's important to remember that 不知 specifically refers to the state of not knowing something. The word can be used in both formal and informal contexts, but be cautious with tone; the first syllable, 不, should be pronounced with a falling tone.

不知 or something close to it

不懂 (bù dǒng) - use 不知 when expressing a general lack of knowledge or awareness, while 不懂 specifically indicates a lack of understanding or comprehension.

What learners get wrong

Learners often confuse 不知 with 知道, using them interchangeably, such as saying '我不知' (wǒ bù zhī) when they mean 'I do not know' in a casual context. The correct and more common phrase is '我不知道' (wǒ bù zhī dào).

Write 不知

不
知

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

Write correctly 3 times to earn XP

Ask Jason

Have a question about 不知?

Jason answers about this word at your level: example sentences, how it differs from similar words, and a way to remember it.

Sign in free to ask. New accounts start with 200 AI credits.

Frequently asked questions about 不知

Yes, 不知 can be used in both formal and informal contexts, though it may sound more literary or poetic in formal writing.

Jason Recommends

Not sure what to learn after 不知?

Jason picks three words from your level and explains why each one is worth your time next. It takes a free account so he knows what you already know.

A sample week, replayed. Every page you study lands here in the order you did it — your own replay starts with a free account.

See the Learning Lab