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- I'm certain about his sincerity. 我肯定他是真诚的。
- I am not certain about the result. 我对结果没有把握。
- I am afraid I can not be certain about that. 恐怕此事我不能肯定。
- I feel quite certain about getting a Ph.D degree. 我很有把握取得博士学位。
- I'm afraid I can't be certain about the success. 我恐怕对成功不太肯定。
- I am certain about his sincerity. 我肯定他是真诚的。
- I am fairly certain about his punctuality. 我很有把握他会很守时。
- I'm not certain about the result. 我对结果没有把握。
- I am a hundred per cent certain about that. 对此我百分之一百的肯定。
- Are you absolutely certain about this? 你对这事绝对确信无疑吗?
- I am certain about his sincerity . 我肯定他是真诚的。
- I feel quite certain about getting a ph.d. Degree . 我很有把握取得博士学位。
- I'm fairly certain about his punctuality. 我很有把握他会很守时。
- You are absolutely certain about his guilt? 你绝对有把握他是有罪的
- You're absolutely certain about his guilt? 你绝对有把握他是有罪的?
- Are you certain about the answer? 你对这个答案肯定吗?
- We can only guess (ie We cannot be certain about) what happened. 我们只能猜测发生了什么事。
- I am afraid I can not be certain about that until next week. 恐怕要等到下星期我才能确定。
- Pardon me,but are you really certain about her ability ? 对不起,不过您真的确定她有能力吗?
- Be certain about what you believe and consistent in what you say. 你相信什么,就要坚定不移;你说过什么,就要言行一致。