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  1. Oxford American Dictionary

    razor edge

    • IPA[ˈrāzər ˌej]
    • n.
      a sharp edge of a knife, axe, or similar implement；the most advanced stage in the development of something; the cutting edge

    • noun: razor edge

    • 釋義
    • 片語

    名詞

    • 1. a sharp edge of a knife, axe, or similar implement the razor edge cut deep into the side of the ship
    • ▪ the most advanced stage in the development of something; the cutting edge in 1960 jet planes were the razor edge of chic
    • ▪ a state of sharp incisiveness he had honed his mind to a razor edge

    片語