B1 idiom #12,345 よく出る

once in a blue moon

This idiom is used to describe an event that happens very infrequently or almost never. It emphasizes the rarity of an occurrence, suggesting it is a special or unusual exception to a normal routine.

類義語

rarely seldom hardly ever scarcely once in a lifetime very occasionally
役に立った?
まだコメントがありません。最初に考えをシェアしましょう!