42+ Top Once In A Blue Moon Idiom Meaning. A blue moon is the second full moon that occurs within a calendar month. The phrase once in a blue moon means that whatever you are referring to happens very rarely or infrequently. What does once in a blue moon expression mean?
42+ Top Once In A Blue Moon Idiom Meaning Very rarely, seldom the phrase refers to something that happens very infrequently.
It means that the occurrence of the event is rare. A blue moon is the second full moon that occurs within a calendar month. Very rarely, seldom the phrase refers to something that happens very infrequently. What does the idiom 'once in a blue moon' mean?
The 'moon' in this idiom does, in fact, refer to the real moon when it is full. Once in a blue moon once again we bring you a useful english idiom, to be used in your english writing and speaking work. Rarely, once in a very long time, as in we only see our daughter once in a blue moon. If something happens once in a blue moon, it happens very rarely indeed.
The phrase once in a blue moon means that whatever you are referring to happens very rarely or infrequently. If something happens once in a blue moon, it happens very rarely indeed. This page is about the idiom once in a blue moon. So your first example is grammatically correct, but means that opportunities come regularly, whereas the usual idiom means quite the opposite.