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不为人知 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
不为人知bùwéirénzhīnot known to anyoneHSK 7, unknown, 18 strokes, rank #11448, Very Hard
不为人知bùwéirénzhīsecretHSK 7, unknown, 18 strokes, rank #11448, Very Hard
不为人知bùwéirénzhīunknownHSK 7, unknown, 18 strokes, rank #11448, Very Hard
bùwéirénzhī(bu4wei2ren2zhi1)bu wei ren zhi T4
  1. 1not known to anyone
  2. 2secret
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March 24, 2026

不为人知(不為人知)bùwéirénzhī(bu4wei2ren2zhi1)

The idiom 不为人知 refers to something that is not known or recognized by others, often implying secrecy or obscurity. It can be used in contexts where information is kept hidden or when discussing lesser-known facts or individuals.

Strokes18Frequency#11448DifficultyVery Hard
Cultural note

In Chinese literature and art, many historical figures or stories are '不为人知,' reflecting the value placed on hidden talents and the mystery surrounding personal narratives. This idiom resonates with the Chinese appreciation for subtlety and depth.

Memory tip

Imagine an unknown artist whose work is hidden in a dark corner, '不为人知' (bu wei ren zhi) means 'not known to people.' The character '不' (bu) represents 'not,' '为' (wei) suggests 'to be,' '人' (ren) means 'person,' and '知' (zhi) means 'to know.' Picture the artist's secret masterpiece waiting to be discovered.

Meanings of 不为人知

bùwéirénzhī(bu4wei2ren2zhi1)
1not known to anyone
2secret
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About 不为人知

不为人知Simplified
不為人知Traditional
18Strokes
—Radical
#—Frequency Rank
HSK 3.0L7AdvancedTOCFLL5CEFRC2

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AI study notes for 不为人知

Usage Notes

This idiom is often used in both formal and informal contexts, but ensure it fits the tone of your conversation. A common mistake is to confuse it with similar phrases like '无人知晓' (wu ren zhi xiao), which also means 'unknown' but carries a slightly different nuance.

HSK Study Tips

Though 不为人知 is not an HSK vocabulary word, it connects well with HSK 4-5 themes related to expressing unknown concepts or secrets. Focus on understanding each character's meaning and how they come together to express this idiom.

Common Mistakes

Learners often mispronounce the tones, saying 'bu wei ren zhi' with incorrect tones. The correct pronunciation has the tones: 'bù wèi rén zhī.' Additionally, some may confuse it with '不为人知的' when they mean to say 'unknown.'

AI-enhanced 2026-03-24

Pronunciation of 不为人知

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Idiom spotlight: 不为人知

Chengyu origin story
Literal meaning:not for person know

Component characters

不bù(negative prefix)
HSK 14 strokes一
View full entry
为wèibecause of
HSK 34 strokes丶
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人rénman
HSK 12 strokes人
View full entry
知zhīto know
HSK 68 strokes矢
View full entry

How to say not known to anyone in Chinese

“not known to anyone” in Chinese is不为人知bùwéirénzhī

The idiom 不为人知 refers to something that is not known or recognized by others, often implying secrecy or obscurity. It can be used in contexts where information is kept hidden or when discussing lesser-known facts or individuals.

When to use 不为人知

This idiom is often used in both formal and informal contexts, but ensure it fits the tone of your conversation. A common mistake is to confuse it with similar phrases like '无人知晓' (wu ren zhi xiao), which also means 'unknown' but carries a slightly different nuance.

What learners get wrong

Learners often mispronounce the tones, saying 'bu wei ren zhi' with incorrect tones. The correct pronunciation has the tones: 'bù wèi rén zhī.' Additionally, some may confuse it with '不为人知的' when they mean to say 'unknown.'

Write 不为人知

不
为
人
知

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Frequently asked questions about 不为人知

Yes, you can use it to describe personal secrets or aspects of someone's life that are not known to others.

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