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百年不遇

Mandarin · pinyin bǎi nián bù yù

only met with once every hundred years (drought, flood etc)

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Characters in this entry

百: bǎi · one hundred; numerous, many
年: nián · year; new-years; person's age
不: bù · no, not; un-; negative prefix
遇: yù · meet, come across, encounter

Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

3–2–4–4 · bai3 nian2 bu4 yu4

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Read this spelling in Classical texts

Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

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Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

phrase

(figurative) once-in-a-hundred-years (event); not seen in a hundred years

Source page · dump 2026-09-02 · Contributors & history

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