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一无所知 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
一无所知yìwúsuǒzhīnot knowing anything at all (idiom); completely ignorantHSK 7, unknown, 21 strokes, rank #3411, Very Hard
一无所知yìwúsuǒzhīwithout an inklingHSK 7, unknown, 21 strokes, rank #3411, Very Hard
yìwúsuǒzhī(yi4wu2suo3zhi1)yi wu suo zhi T1
  1. 1not knowing anything at all (idiom); completely ignorant
  2. 2without an inkling
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March 24, 2026

一无所知(一無所知)yìwúsuǒzhī(yi4wu2suo3zhi1)

The idiom 一无所知 means to be completely ignorant or to know nothing at all about a particular subject. It is often used to express a total lack of knowledge or awareness, suggesting a state of absolute ignorance in an emphatic way.

Strokes21Frequency#3411DifficultyVery Hard
Cultural note

In Chinese culture, the idea of being completely ignorant can carry significant weight, often being used to critique someone's lack of awareness about social or historical issues. This idiom may relate to the value placed on knowledge and education in Chinese society.

Memory tip

Imagine a person standing in a vast desert, symbolizing emptiness, with a sign saying '一无所知' (yi1 wu2 suo3 zhi1) indicating they have no knowledge or information about anything around them. The character 一 (one) suggests a singular state of ignorance, while 无 (none) emphasizes the absence of knowledge.

Meanings of 一无所知

yìwúsuǒzhī(yi4wu2suo3zhi1)
1not knowing anything at all (idiom); completely ignorant
2without an inkling
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About 一无所知

一无所知Simplified
一無所知Traditional
21Strokes
—Radical
#—Frequency Rank
HSK 3.0L7AdvancedCEFRC2

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AI study notes for 一无所知

Usage Notes

Learners often mistakenly use this idiom in contexts where partial knowledge exists, such as saying 一无所知 when they actually know a little about a topic. It's important to use it in strong negative contexts. This idiom is more commonly used in informal settings.

HSK Study Tips

While 一无所知 is not an HSK vocabulary item, it can be useful for intermediate learners. Understanding this idiom can help students recognize how idiomatic expressions add nuance to language. Focus on the components in the idiom and their meanings to grasp similar phrases.

Common Mistakes

Learners often confuse 一无所知 with similar phrases like 知之甚少 (zhi1 zhi1 shen4 shao3), which means 'know very little.' For example, saying '我对这个问题一无所知' (I know this problem nothing at all) is correct, but using it for someone who knows some details would be incorrect.

AI-enhanced 2026-03-24

Pronunciation of 一无所知

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Idiom spotlight: 一无所知

Chengyu origin story
Literal meaning:one nothing possess know

Component characters

一yīone
HSK 11 strokes一
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无wú-less
HSK 44 strokes无
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所suǒactually
HSK 58 strokes户
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知zhīto know
HSK 68 strokes矢
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How to say not knowing anything at all (idiom); completely ignorant in Chinese

“not knowing anything at all (idiom); completely ignorant” in Chinese is一无所知yìwúsuǒzhī

The idiom 一无所知 means to be completely ignorant or to know nothing at all about a particular subject. It is often used to express a total lack of knowledge or awareness, suggesting a state of absolute ignorance in an emphatic way.

When to use 一无所知

Learners often mistakenly use this idiom in contexts where partial knowledge exists, such as saying 一无所知 when they actually know a little about a topic. It's important to use it in strong negative contexts. This idiom is more commonly used in informal settings.

What learners get wrong

Learners often confuse 一无所知 with similar phrases like 知之甚少 (zhi1 zhi1 shen4 shao3), which means 'know very little.' For example, saying '我对这个问题一无所知' (I know this problem nothing at all) is correct, but using it for someone who knows some details would be incorrect.

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一
无
所
知

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Frequently asked questions about 一无所知

No, 一无所知 implies complete ignorance; it's not appropriate for someone with any knowledge.

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