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单词 undermine
释义

WordReference Random House Learner's Dictionary of American English © 2024
un•der•mine /ˌʌndɚˈmaɪn/USA pronunciation   v. [~ + object], -mined, -min•ing. 
  1. to weaken or destroy by degrees:Her health was undermined by the stress of her job.
  2. to attack by indirect, secret, or hidden means:looking for ways to undermine her authority.
  3. to weaken or cause to collapse by removing underlying supports.

WordReference Random House Unabridged Dictionary of American English © 2024
un•der•mine  (un′dər mīn′ or, esp. for 1, 2, 4, un′dər mīn′),USA pronunciation v.t., -mined, -min•ing. 
  1. to injure or destroy by insidious activity or imperceptible stages, sometimes tending toward a sudden dramatic effect.
  2. to attack by indirect, secret, or underhand means;
    attempt to subvert by stealth.
  3. to make an excavation under;
    dig or tunnel beneath, as a military stronghold.
  4. to weaken or cause to collapse by removing underlying support, as by digging away or eroding the foundation.
  • Middle English underminen. See under-, mine2 1300–50
un′der•min′er, n. 
un′der•min′ing•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
undermine /ˌʌndəˈmaɪn/ vb (transitive)
  1. (of the sea, wind, etc) to wear away the bottom or base of (land, cliffs, etc)
  2. to weaken gradually or insidiously: their insults undermined her confidence
  3. to tunnel or dig beneath

ˌunderˈminer n
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更新时间：2025/2/23 7:16:04