擅自的英文：
unauthorized

参考例句：
  • They were trespassing on private property.
    他们擅自闯入私人房屋。
  • Abuse of distress
    擅自使用扣押或查抄的财产
  • Vehicles parked here without authorisation will be wheel clamped
    未经允许,擅自停车者,将予以扣留
  • The children entered the concert without permission.
    小朋友擅自进入音乐会。
  • Building occupied by squatters(squatter )
    被擅自占用的建筑物
  • Who are they to tamper with the rules of the game?
    他们凭什么擅自修改比赛规则？
  • You are extremely audacious to open out a mine!
    你竟敢擅自开矿，真是胆大妄为。
  • Someone's been meddling with my CD player.
    有人擅自碰过我的雷射唱机了。
  • The guard deserted his post.
    卫兵擅自离开了他的岗位。
  • You could be prosecuted for trespass.
    你可能会因为擅自闯入而受到起诉。
unauthorized是什么意思：
adj. 非法的；未经授权的，未经许可的
  • Damages due to misuse and unauthorized modification of hardware.
    人为因素造成之故障、损坏或改装。
  • No unauthorized person is allowed in the room while the examination is in progress.
    当考试进行时，未经许可者不得入内。
  • Unchecked (unauthorized) flow of population (from the countryside to the cities)
    盲流人口
  • Failures to prohibit unauthorized departmental coffers repeatedly.
    各种“小金库”屡禁不止。
  • Unauthorized emails are treated as junk after a period of time.
    未被授权的电子邮件时间的时期如垃圾邮件被对待。

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