疑难 (yí nán) — (noun) difficulty; problem

Definition

A formal noun for a 'knotty' or hard-to-solve problem, stronger than 普通 'difficulty' and usually paired with 杂症, 解答, 解决. Often used in titles of expert Q&A shows.

noun

difficultyproblem

Examples

疑难。
Zhè ge yí nán wèn tí xū yào dà jiā yì qǐ tǎo lùn.
This knotty problem needs to be discussed together.
疑难。
Yī shēng duì yí nán zá zhèng zuò le xiáng xì fēn xī.
The doctor gave a detailed analysis of the difficult and complicated case.
，疑难。
Jīng guò jǐ cì shì yàn, wǒ men zhōng yú jiě jué le zhè ge yí nán.
After several experiments, we finally resolved this difficulty.

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