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  1. nonplusing

    • nonplus的動詞現在分詞、動名詞
  2. 知識+

    • 有關”不知所措”的英文

      1)be at a loss what to do 2)be at one's s wits’ end 3)be at a nonplus 4)be at a stand 5)lose one's bearings 6)not to know what to do 7)push the panic button 8)scarcely know where to turn