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不可思议 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
不可思议bùkěsīyìinconceivable (idiom); unimaginableHSK 7, i, 23 strokes, rank #1660, Very Hard
不可思议bùkěsīyìunfathomableHSK 7, i, 23 strokes, rank #1660, Very Hard
bùkěsīyì(bu4ke3si1yi4)bu ke si yi T4
  1. 1inconceivable (idiom); unimaginable
  2. 2unfathomable
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March 24, 2026

不可思议(不可思議)bùkěsīyì(bu4ke3si1yi4)

不可思议 is an idiom that conveys a sense of something being inconceivable or unimaginable. It is often used to describe situations, events, or ideas that are so extraordinary or surprising that they defy understanding or belief.

Strokes23Frequency#1660DifficultyVery Hard
Cultural note

In Chinese culture, the concept of the extraordinary often ties into traditional beliefs and folklore, where the unimaginable can be commonplace, such as in tales of gods and mythical creatures.

Memory tip

Picture a giant 'no' (不) standing in front of a doorway (可) that leads to a mysterious and surreal world (思议). This world is filled with things you can't even imagine, helping you remember that 不可思议 means 'unimaginable' or 'inconceivable'.

Meanings of 不可思议

bùkěsīyì(bu4ke3si1yi4)
1inconceivable (idiom); unimaginable
2unfathomable
Exercise 1 of 2

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About 不可思议

不可思议Simplified
不可思議Traditional
23Strokes
—Radical
成语chéngyǔidiom (id.)Part of Speech
#1660Frequency Rank
HSK 2.0L6HSK 3.0L7AdvancedTOCFLL5CEFRC2

Podcast: 不可思议

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Podcast: 不可思议

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AI study notes for 不可思议

Quick Contrast

不可思议 vs 难以置信: Use 不可思议 for situations that are beyond imagination, while 难以置信 emphasizes disbelief in something that seems unbelievable.

Usage Notes

This idiom is often used in both formal and informal contexts to express astonishment. A common mistake is to use it too casually; it's best reserved for truly remarkable events. Be careful with tone; the fourth tone in '不可' (bu4 ke3) is crucial for proper pronunciation.

HSK Study Tips

As an HSK Level 6 word, 不可思议 connects to other advanced vocabulary that deals with emotions and perceptions. Focus on the nuances of expressions of surprise and disbelief, which are key to fluent communication.

Common Mistakes

Learners often confuse 不可思议 with 不能想象 (bu4 neng2 xiang3 xiang4), which is less idiomatic. For example, saying '这件事是不能想象的' (This matter is unthinkable) is awkward; instead, use '这件事真是不可思议' (This matter is truly inconceivable).

AI-enhanced 2026-03-24

Pronunciation of 不可思议

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Idiom spotlight: 不可思议

Chengyu origin story
Literal meaning:not able to think extraordinary

Component characters

不bù(negative prefix)
HSK 14 strokes一
View full entry
可kěcan
HSK 35 strokes口
View full entry
思sīto think
HSK 59 strokes心
View full entry
议yìto comment on
HSK 75 strokes讠
View full entry

How to say inconceivable (idiom); unimaginable in Chinese

“inconceivable (idiom); unimaginable” in Chinese is不可思议bùkěsīyì

不可思议 is an idiom that conveys a sense of something being inconceivable or unimaginable. It is often used to describe situations, events, or ideas that are so extraordinary or surprising that they defy understanding or belief.

When to use 不可思议

This idiom is often used in both formal and informal contexts to express astonishment. A common mistake is to use it too casually; it's best reserved for truly remarkable events. Be careful with tone; the fourth tone in '不可' (bu4 ke3) is crucial for proper pronunciation.

不可思议 or something close to it

不可思议 vs 难以置信: Use 不可思议 for situations that are beyond imagination, while 难以置信 emphasizes disbelief in something that seems unbelievable.

What learners get wrong

Learners often confuse 不可思议 with 不能想象 (bu4 neng2 xiang3 xiang4), which is less idiomatic. For example, saying '这件事是不能想象的' (This matter is unthinkable) is awkward; instead, use '这件事真是不可思议' (This matter is truly inconceivable).

Write 不可思议

不
可
思
议

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Grammar patterns of 不可思议

不可思议 functions as a four-character idiom (成语). Treat it as a fixed unit; it usually plays the role of a single adjective, adverb, or noun phrase inside the larger sentence. 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 5

Fill the gap

Type the missing word. Pinyin works; then pick the character.

那条鱼在被捕到网里之前整整挣扎了20分钟,真是____。

The fish put up a spectacular 20 minute struggle before being netted.

Example sentences for 不可思议 (8)

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1
那条鱼在被捕到网里之前整整挣扎了20分钟,真是不可思议。

nà tiáo yú zài bèibǔ dào wǎng lǐ zhīqián zhěngzhěng zhēngzhá le20 fēnzhōng, zhēnshi bùkěsīyì。

The fish put up a spectacular 20 minute struggle before being netted.
2
一名办事员会感到如此受人忽视,令人觉得不可思议。

yī míng bànshì yuán huì gǎndào rúcǐ shòu rén hūshì, lìng rén juéde bùkěsīyì。

It was strange, how invisible a clerk could feel.
3
克里斯赢得金牌的那一刻令人不可思议。

kè lǐ Sī yíngdé jīnpái de nà yīkè lìng rén bùkěsīyì。

It was an unbelievable moment when Chris won the gold medal.
4
费莉西蒂的变化不可思议。

fèi lì xī dì de biànhuà bùkěsīyì。

The change in Felicity was miraculous.
5
他开心地笑了:“真是不可思议,我们现在已经两次成功打进决赛了。”

tā kāixīn dì xiào le:“ zhēnshi bùkěsīyì, wǒmen xiànzài yǐjīng liǎng cì chénggōng dǎ jìn juésài le。”

He beamed: "Unbelievably, we have now made it to the final twice."
6
我发现生活比我想象的更迷人、更不可思议。

wǒ fāxiàn shēnghuó bǐ wǒ xiǎngxiàng de gèng mírén、 gèng bùkěsīyì。

I find life more charming and more astonishing than I'd ever dreamed.
7
他怎么能爬得那么远,真不可思议.

tā zěnme néng pá de nàme yuǎn, zhēn bùkěsīyì.

It's marvellous how he's managed to climb that far.
8
然而,岔断他的思潮的可不是他祈求的那个“回音”, 而是那股不可思议的反对势力.

rán’ér, chà duàn tā de sī cháo de kěbúshi tā qí qiú de nàge“ huí yīn”, érshì nà gǔ bùkěsīyì de fǎnduì shìlì.

Instead of the answer he demanded, that inexplicable counterinfluence cut across the current of his thought.

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Cultural Notes for 不可思议

🌏Cross-cultural Insight

In Western cultures, the idea of something being 'unimaginable' might often be associated with personal disbelief or skepticism, whereas in Chinese culture, it can also reflect a deeper acceptance of the mysterious and surreal.

Frequently asked questions about 不可思议

It's best used for situations that are truly extraordinary, rather than mundane occurrences.

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