• 1. be certain of: 确信 | 有把握 | 肯定 | 对……有把握
• 2. be certain of sth: 对某事有把握
• 3. be certain of doing sth: 确信会发生某事

更多释义

• 1.If you want to be certain of getting a ticket, book now.
  要想有把握买到票，现在就得预订。
  dict.yoduao.com
• 2.What Descartes has done is find at least one thing that he can be certain of.
  笛卡尔所做的就是找到了至少一件他能确定的事。
  dict.yoduao.com
• 3.But nobody can be certain of the outcome.
  但是，谁也不确定这就是结局。
  dict.yoduao.com

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