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Share once in a blue moon
once and again
once bitten, twice shy
once in a blue moon
once in a lifetime
once or twice
Cite this Entry
“Once in a blue moon.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/once%20in%20a%20blue%20moon. Accessed 12 December 2019.
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a period of high artistic development
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