V2EX back door

Back Door

释义 Definition

back door

  1. (字面)后门、后门入口
  2. (引申)走后门、秘密通道、非正式途径(常带有不公开或不正当的含义)。
  3. (计算机)后门程序/后门访问:绕过正常验证的隐蔽入口。

发音 Pronunciation

/bk dr/

例句 Examples

The back door is unlocked.
后门没锁。

The company was accused of using a back door to win the contract.
这家公司被指控通过“走后门”的方式拿下合同。

词源 Etymology

back(后面的)+ door(门) 组成,原指房屋或建筑物后方的门。因为后门常用于不引人注意的进出,逐渐引申为“秘密通道/不公开途径”;在计算机语境中,“后门”进一步比喻为系统中绕开正常安全检查的隐蔽入口。

相关词 Related Words

文学作品 Literary Works

  • 《霍比特人》(J.R.R. Tolkien):故事中出现“back door”指向孤山的隐蔽入口(常译为“后门/秘密入口”)。
  • 《爱丽丝梦游仙境》(Lewis Carroll):文本中多次描写门与出入口的场景,含有“back door”等类似表达,用于营造空间与路径的奇幻感。
  • 《一九八四》(George Orwell):作品中常见“从背后/秘密进入”的意象与措辞(包括“back door”这类表达),用于强化监视社会中的隐秘行动与风险。
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