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    knife edge

  1. Oxford Dictionary

    knife-edge

    • IPA[ˈnʌɪfɛdʒ]

    英式

    • n.
      the edge of a knife.；(of creases or pleats in a garment) very narrow or sharp.

    • noun: knife-edge, plural noun: knife-edges

    • 釋義

    名詞

    • 1. the edge of a knife.
    • ▪ (of creases or pleats in a garment) very narrow or sharp.
    • 2. a very tense or dangerous situation worried investors could be living on a knife-edge for the next twelve months
    • 3. a sharp mountain ridge; an arête.
    • 4. a steel wedge on which a pendulum or other device oscillates or is balanced.