• 1. be sure of: 肯定 | 坚信 | 确保
• 2. be sure of oneself: 有自信心 | 自信 | 有一种力量叫自信
• 3. be sure of sth: 对做某事有信心 | 对某事有把握 | 确信某事

更多释义

• 1.England must win this game to be sure of qualifying.
  英格兰队必须拿下这场比赛才能确保获得资格。
  dict.yoduao.com
• 2.England must win this game to be sure of qualifying for the World Cup.
  英格兰队必须拿下这场比赛才能确保获得世界杯的参赛资格。
  dict.yoduao.com
• 3.A lot of people think that it's better to pay for their education so that they can be sure of getting quality.
  很多人认为最好是自己掏钱受教育，为的是能肯定得到高品质的教育。
  dict.yoduao.com

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