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March 24, 2026
不能不()bùnéngbù(bu4neng2bu4)
不能不 (bù néng bù) means 'cannot but' or 'have to', indicating an obligation or necessity that one cannot avoid. It is commonly used in contexts where a choice is not available, implying that the action is essential or unavoidable.
Frequency#13624DifficultyHard
Cultural Note
The concept of obligation is deeply rooted in Chinese culture, often connected to social responsibilities and familial duties. 不能不 reflects the cultural value placed on fulfilling one's roles and commitments.
Memory Tip
Think of a person standing at a crossroads with signs pointing to 'do' and 'not do'. The character 不能 can be seen as a combination of 'not' (不) and 'able' (能), suggesting that at this point, they are unable to choose anything other than 'do'.
Meanings of 不能不
bùnéngbù(bu4neng2bu4)
1have to
2cannot but
Exercise 1 of 2
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About 不能不
不能不Simplified
Traditional
—Strokes
—Radical
#—Frequency Rank
HSK 3.0L5IntermediateTOCFLL5HSKKL3CEFRB2
Podcast: 不能不
Podcast: 不能不
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AI Study Notes for 不能不
Memory Mnemonic
Think of a person standing at a crossroads with signs pointing to 'do' and 'not do'. The character 不能 can be seen as a combination of 'not' (不) and 'able' (能), suggesting that at this point, they are unable to choose anything other than 'do'.
Usage Notes
This phrase is often used in informal speech but can also appear in formal writing. Be careful not to confuse it with similar phrases that imply choice, as 不能不 emphasizes necessity. It often collocates with verbs indicating actions that must be taken.
HSK Study Tips
While 不能不 is not specifically listed in HSK levels, it is relevant for learners reaching HSK 4 or higher, where expressing obligation becomes more common. Students should focus on how this phrase interacts with verbs to convey urgency or necessity.
Cultural Note
The concept of obligation is deeply rooted in Chinese culture, often connected to social responsibilities and familial duties. 不能不 reflects the cultural value placed on fulfilling one's roles and commitments.
Common Mistakes
Learners often mistakenly use 不能不 in situations where a choice exists. For example, saying '我不能不去' (I cannot not go) when it should be '我可以不去' (I can choose not to go) if there is indeed an option.
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Pronunciation of 不能不
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Usage Notes for 不能不
Understanding 不能不Grammar Tip
The phrase 不能不 is used to express an obligation or necessity, meaning 'cannot not' or 'must'. It emphasizes that one has to do something.
1
我不能不去参加这个会议。
I must attend this meeting.
Misunderstanding the nuanceCommon Error
Learners often confuse 不能不 with 只好, thinking they mean the same. 不能不 implies necessity or obligation, while 只好 suggests resignation to an unavoidable situation.
The concept of obligation is deeply rooted in Chinese culture, often connected to social responsibilities and familial duties. 不能不 reflects the cultural value placed on fulfilling one's roles and commitments.
📜Proverb
在中文中，有一句话说：‘事不宜迟，不能不做。’强调了及时行事的重要性。
Frequently Asked Questions about 不能不
While both 不能不 and 必须 (bìxū) convey a sense of necessity, they are used in slightly different contexts. 不能不 emphasizes that one has no other choice, while 必须 simply states that something is required. Thus, 不能不 carries a stronger connotation of obligation.
Yes, 不能不 can be used in both spoken and written Chinese, including formal writing. However, in formal contexts, it might be more common to see 必须 or other expressions of obligation. It's important to consider the tone and context when using it.
不能不 (bù néng bù) is a Chinese phrase that means 'cannot not' or 'must'. It is used to express an obligation or necessity to do something. For example, 你不能不去 (nǐ bù néng bù qù) translates to 'You must go'.
To use 不能不 in a sentence, you typically follow it with a verb to indicate that the action is unavoidable. For instance, you can say '我不能不学习' (wǒ bù néng bù xuéxí), meaning 'I must study'. This structure emphasizes the necessity of the action.
Yes, both express a sense of obligation, but 不能不 tends to emphasize that there is no alternative.
Yes, it can be used in formal contexts, but ensure that the surrounding context supports its necessity.
不能 means 'cannot' while 不能不 implies 'cannot avoid doing something', adding a layer of necessity.
