非…不可(fēi…bùkě)
Must / Cannot Help But
Structure Pattern
Explanation
非…不可 is an emphatic double-negative meaning "must do X" — literally "not X is not OK". Stronger than 必须 because it conveys determination or necessity beyond the speaker's control. Often used to push back against alternatives or stress an obligation.
Example Sentences
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Zhè jiàn shì fēi nǐ qù bùkě.
You're the only one who can handle this — you must go.
Tā fēi yào mǎi nà liàng chē bùkě.
He absolutely insists on buying that car.
Xiǎng xué hǎo Zhōngwén, fēi měitiān liànxí bùkě.
To master Chinese, daily practice is non-negotiable.
Common Mistakes
Common Mistake
我非去。
Correct Usage
我非去不可。
The 不可 (or 不行 / 不成 in spoken) is required to close the construction.
Master 非…不可
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