Definition
「不能不」是一个固定双重否定结构，字面意思是“不能+不”，实际上表示强烈的肯定——“必须”、“不得不”。你用它来表达某种情况逼着你非做不可，带有无奈或强调的语气。句型是“Subject + 不能不 + Verb”，相当于英语的“cannot but”或“have to”。
v.p.
have tocannot butmust
Examples
- 不能不，。Wǒ bù néng bù qù cānjiā nàge huìyì, yīnwèi hěn zhòngyào.I have to go to that meeting because it's very important.
- 不能不。Tā bù néng bù chéngrèn zìjǐ fàn le cuòwù.He cannot but admit that he made a mistake.
- ，不能不。Jīngjì qíngkuàng zhème chà, gōngsī bù néng bù kǎolǜ cáiyuán.With the economy this bad, the company has to consider layoffs.
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