ZH TH VI EN DE ES IT FR ML
not occur even in a hundred years, once in a blue moon
nur einmal alle hundert Jahre traf (Dürre, Überschwemmung usw.)
si sono incontrati solo una volta ogni cento anni (siccità, inondazioni, ecc.)
ne se réunissent qu'une fois tous les cent ans (sécheresse, inondation, etc.)
sólo se reunió una vez cada cien años (sequía, inundación, etc.)
224 More, less 多, 少 (duō, shǎo) not occur even in a hundred years, once in a blue moon 41 百年不遇 [-] bǎiniánbúyù (100-year-not-encounter) not occur even in a hundred years, once in a blue moon: ~的台风 a typhoon that did not occur even in a hundred years || ~的大旱 the worst drought in a century 639 '