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- Certain of those present had had too much to drink. 有些出席的人喝得太多了。
- Have you made certain of the time of the train? 火车开车时间你搞清楚了吗？
- She saw me: I'm certain of that. 她看见我了，这一点我可以肯定。
- Certain of these solids behave as if they were very thick liquids. 其中有些固体的性状象是很稠的液体。
- Make certain of your position in the firm before you argue with the director. 你在和经理争辩之前，要首先弄清你在公司里的地位。
- You'd better leave now if you want to make certain of getting there on time. 你要想准时到达那里就最好马上走。
- I'm not certain of the truth of the matter. 我不相信这种情况是真的。
- I hope the speaker has made certain of his facts . 我希望说话者已搞清了事实。
- I want to make certain of the time of his arrival. 我想确切知道他到达的时间。
- Please make certain of the date of the meeting. 请把开会的日期弄清楚。
- This letter made me certain of his innocence. 这封信使我相信他是无罪的。
- Certain of the products are faulty. 有些产品是不合格的
- I myself was certain of the facts. 我自己对事实确信无疑
- She herself was certain of the facts. 她本人很确定这些事实
- We ourselves were certain of the facts. 我们自己对这些事实有把握
- You yourself were certain of the facts. 你自己应该对事实确定
- Do not feel absolutely certain of anything. 凡事不要抱绝对肯定的态度;
- Certain of his friends are very helpful. 他的几个朋友帮了很大的忙。
- Will you please make certain of the meeting? 请你把开会的日期弄清楚好吗?
- We are certain of winning the game. 我们确信能赢得。
