Last Updated
：2026/01/02
寝耳に水
Hiragana
ねみみにみず
Noun
idiomatic
Japanese Meaning
寝ているときに耳に水が入るように、突然で不意打ちの出来事に驚くことのたとえ。予想もしていなかった出来事に非常に驚くこと。
Easy Japanese Meaning
なにも しらないで いるときに、とつぜん おどろく できごとが おきること
Chinese (Simplified) Meaning
出乎意料的事 / 突如其来的消息 / 晴天霹雳
Chinese (Traditional) Meaning
晴天霹靂 / 出乎意料的消息 / 讓人措手不及的意外
Korean Meaning
마른하늘에 날벼락 / 뜻밖의 큰 놀람 / 갑작스러운 소식·사건
Vietnamese Meaning
sự việc xảy ra bất ngờ / tin sét đánh / sự ngạc nhiên lớn
Sense（1）
(idiomatic) out of the blue, bolt from the blue, great surprise
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
(idiomatic) out of the blue, bolt from the blue, great surprise
See correct answer
寝耳に水
See correct answer
That news was out of the blue.
See correct answer
そのニュースは寝耳に水だった。
Japanese - English
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