The structure 什么…不…
We can use the structure 什么…不… 
to ask a rhetorical question: "what do you mean...?".
We use this structure in spoken language to express an opposing point of view or to criticize someone.
to ask a rhetorical question: "what do you mean...?".
We use this structure in spoken language to express an opposing point of view or to criticize someone.Examples
什么便宜不便宜, 别因为价格低而买不需要的东西
It doesn’t matter whether the price is low. Don't buy things that you don't need just because the price is low
shénme piányi bù piányi, bié yīnwèi jiàgé dī ér mǎi bù xūyào de dōngxi
In the structure, both ellipses should be replaced with either nouns or adjectives.
In the structure, the second adjective is often followed by the particle 的 .
.Scheme
什么
adjective/noun
不
adjective/noun
(的)
Examples
什么漂亮不漂亮的，暖和就可以了
It doesn’t matter whether it is beautiful or ugly. If it is warm, it is fine
shénme piàoliang bú piàoliang de, nuǎnhuo jiù kěyǐ le
什么钱不钱的，你别管了，我们是朋友
Come on, we're friends. Don't worry about the money
shénme qián bù qián de, nǐ bié guǎn le, wǒmen shì péngyou
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