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  1. do something until one is blue in the face

    • ph.
      put all one's efforts into doing something to no avail
    • 相關詞
    • ph.
      put all one's efforts into doing something to no avail

    Oxford Dictionary

    • ph.
      put all one's efforts into doing something to no avail

    Oxford American Dictionary

    • 更多解釋
    • ph.
      put all one's efforts into doing something to no avail

    Oxford Dictionary