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unsuccessful [ʌnsək'sesful]    添加到生词本 复制网址
基本释义
  • a. 不成功的
词形变化
  • 副　词：un'suc·cess'ful·ly
参考例句
    1. He was unsuccessful in the exam.
      他考试不及格。
    2. One that is disappointingly ineffective or unsuccessful.
      无用的人或物的令人失望的无用的或不成功的人或物
    3. His previous attempts had been unsuccessful.
      他以前的尝试没有成功。
    4. To be unsuccessful;fail.
      失败;未成功
    5. What the unsuccessful child need is just encouragement.
      那失败的孩子需要的就是鼓励。
英英解释