Once In A Blue Moon
- Once In A Blue Moon
- How common is this idiom?: This idiom is not commonly used in everyday conversation, but it's still widely recognized and used in writing and formal speech.
- Literal Meaning: A blue moon is a rare lunar event where the moon appears blue due to atmospheric conditions.
- Actual Idiomatic Meaning: Something that happens very rarely or unexpectedly.
- I only see my old friends once in a blue moon, since we live so far apart.
- It's once in a blue moon that I get to eat at my favorite restaurant, it's so expensive.
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