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  1. Oxford American Dictionary

    hand-waving

    • n.
      the use of gestures and insubstantial language meant to impress or convince

    • noun: hand-waving, plural noun: hand-wavings

    • 釋義

    名詞

    • 1. the use of gestures and insubstantial language meant to impress or convince their patriotic hand-waving lacked sincerity her path of logic and hand-waving explanations