雲泥の差

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Japanese[edit]

Kanji in this term
うん
Grade: 2
でい
Grade: S

Grade: 4
on'yomi

Etymology[edit]

Phrase composed of 雲泥 (undei, clouds and mud) +‎ (no, possessive particle) +‎ (sa, difference). Compare Chinese 雲泥之別 (yúnnízhībié), 雲泥之差 (yúnnízhīchā, "a stark difference").

Pronunciation[edit]

  • IPA(key): [ɯ̃ᵝɴde̞ː no̞ sa̠]

Noun[edit]

雲泥の差 (hiragana うんでいのさ, romaji undei no sa)

  1. (having) a great difference when compared with the same scale, one being far better than the other.
    • 1906, Natsume Soseki, Botchan:
       (いま)まで物理学校 (ぶつりがっこう)毎日先生先生 (まいにちせんせいせんせい) ()びつけていたが、先生 (せんせい) ()ぶのと、 ()ばれるのは雲泥 (うんでい) ()だ。
      ima made butsuri gakkō de mainichi sensei sensei to yobitsuketeita ga, sensei to yobu no to, yobareru no wa undei no sa da.
      The way they clamored "professor, professor!" in physics class every day was worlds apart from how they answered him now.