<prompt> Hlalosa moelelo oa poleloana hang ka khoeli e putsoa.nan  <response>: Instruction in English: Describe the meaning of the phrase once in a blue moon. . Response in English: Once in a blue moon is an idiomatic expression that means very rarely, seldom or almost never. The phrase refers to the rare occurrence when a second full moon appears in the same calendar month, which happens roughly once every two and half years. This second full moon is commonly referred to as a blue moon. So when someone says something happens once in a blue moon, they mean that it is an event that happens very infrequently. . Response in Sesotho: Hang ka khoeli e putsoa ke poleloana e hlalosang mantsoe e bolelang ka seoelo, ka seoelo kapa hoo e ka bang ha ho mohla. Poleloana ena e bua ka ketsahalo e sa tloaelehang ha khoeli e tolokile ea bobeli e hlaha khoeling e tšoanang ea almanaka, e etsahalang hoo e ka bang hang ka mora lilemo tse ling le tse ling tse peli le halofo. Khoeli ena ea bobeli e tletseng hangata e bitsoa khoeli e putsoa. Kahoo ha motho a re ntho e etsahala hang ka khoeli e putsoa, o bolela hore ke ketsahalo e etsahalang ka seoelo. 