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难题

難題traditional

HSK 3#5922 by frequencyradical 又

nán tí["n"]

difficult problem

Examples

他擅长解答数学难题。

He is good at solving complicated mathematical problems.

他正在思考这个难题。

He's thinking about this difficult problem.

Part of the HSK 3 word list.

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Definitions adapted from CC-CEDICT (CC BY-SA 4.0, modified). Example sentences from Tatoeba (CC BY 2.0 FR). Frequency ranks from the BCC corpus. Full credits on the Attributions page.