1.  confirm
2.  ensure
3.  ascertain
4.  make sure
5.  determine

• 1. 确定: Determine | ascertain | fix | sure
• 2. 不确定性: Uncertainty | uncertainty | Incertitude | indeterminacy
• 3. 确定性: Certainty | Determinacy | Deterministic | Definiteness

更多释义

• 1.我无法确定谁当时在场。
  I'm not certain who was there.
  dict.yoduao.com
• 2.会议日期尚待确定。
  A date for the meeting has yet to be determined.
  dict.yoduao.com
• 3.你确定锁前门了吗？
  Are you sure you locked the front door?
  dict.yoduao.com

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