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  1. bum out

    • ph.
      make someone feel upset or disappointed
    • 相關詞
    • ph.
      make someone feel annoyed, upset, or disappointed

    Oxford Dictionary

    • ph.
      make someone feel annoyed, upset, or disappointed

    Oxford American Dictionary

    • 更多解釋
    • ph.
      make someone feel upset or disappointed

    Oxford Dictionary

  2. 知識+