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  1. unknown quantity

    • ph.
      難以預料的人
    • 釋義

    片語

    • 1. 難以預料的人 The new teacher is still very much an unknown quantity but we have hopes that he will be a valuable member of our team. 新教師是誰現在還難以預料, 但我們希望他會成為我們隊裡的重要一員。