Idiom - Once in a blue moon
Once in a blue moon:
If something happens once in a blue moon, it happens very rarely.
We hardly ever go out these days, though once in a blue moon we might go and see a movie.
My daughter lives in Brazil and she only comes to see us once in a blue moon; maybe every two or three years if we're lucky.
Persian: به ندرت
If something happens once in a blue moon, it happens very rarely.
We hardly ever go out these days, though once in a blue moon we might go and see a movie.
My daughter lives in Brazil and she only comes to see us once in a blue moon; maybe every two or three years if we're lucky.
Persian: به ندرت