百年不遇 bǎi nián bù yù 🔊 only met with once every hundred years… + Keep this word Meanings bǎi nián bù yù only met with once every hundred years (drought, flood etc) Its characters 百bǎihundredHSK 1年niányearHSK 1不bùnot; noHSK 1遇yùto encounter