百年不遇

bǎiniánbùyù
idiom #62,414

Meanings

  1. 1 occurring only once in a hundred years
  2. 2 extremely rare (typically of floods, droughts, or extraordinary events)

Examples

Jīnnián de hóngshuǐ shì bǎiniánbùyù de dà zāi.
This year's flood is a once-in-a-century disaster.
Néng qīnyǎn kàndào rìquánshí, zhēn shì bǎiniánbùyù de jīhuì.
Seeing a total solar eclipse with your own eyes is truly a once-in-a-lifetime opportunity.

Tips

usage
Often used for natural disasters (floods, droughts, earthquakes) to stress severity. Also used loosely for rare positive opportunities, though the disaster sense is more common in news.

Stroke Order

bǎi
nián