Meaning
Very rarely.
Primary Function
Expressing extreme infrequency.
Communicative Purpose
To highlight an unusual event.
Pattern
once in a blue moon
Core Structure
once in a blue moon
Função primária
Expressing extreme infrequency.
Propósito comunicativo
To highlight an unusual event.
Situações de gatilho
Describing rare occurrences.
Contextos
Personal anecdotes, casual conversations.
Padrão
once in a blue moon
Estrutura central
once in a blue moon
Slots de substituição
none
Colocados típicos
- only
- happens
- I see him
Substituições comuns
- once in a while (more frequent)
- very rarely
Erros comuns
*once in a blue moon and then* (redundant)
Similar / contraste
from time to time, once in a lifetime
Interferências
Two moons? No, just an idiom.
Família do chunk
- Frequency idioms
Nuance
Playful exaggeration.
Efeito pragmático
Softens the admission of low frequency.
Dica de memória
Calendar showing second full moon.
Nota
This idiom refers to the rare occurrence of a second full moon in a single month, which happens approximately every two to three years.
Upgrade path
hardly ever (neutral)
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