aux calendes grecques (on the greek calends) signifie anglais

Français	Anglais
aux calendes grecques (on the Greek calends) adverbe	when pigs fly(never, expressed by an idiom) adverb [UK: wen pɪɡz flaɪ] [US: hwen ˈpɪɡz ˈflaɪ]

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