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  1. frivolous

    • IPA[ˈfrivələs]

    美式

    • adj.
      not having any serious purpose or value;(of a person) carefree and not serious
    • 更多解釋
    • IPA[ˈfrɪv(ə)ləs]

    英式

    • adj.
      not having any serious purpose or value: frivolous ribbons and lacy frills rules to stop frivolous lawsuits

    Oxford Dictionary

  2. 知識+