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  1. at someone's heels

    • ph.
      following closely behind
    • 相關詞
    • ph.
      be on the point of catching up with or challenging the position of a competitor or rival

    Oxford Dictionary

    • ph.
      be on the point of catching up with or challenging the position of a competitor or rival

    Oxford American Dictionary

    • 更多解釋
    • ph.
      following closely behind

    Oxford American Dictionary