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- I know for certain that it will rain tonight. 我确知今天晚上会下雨。
- Then Noah knew for certain that the water on the earth had subsided still further. 诺亚就知道地面上的水退得差不多了。
- I was no trichologist, but I knew for certain that this bald man wasn't getting any new hair. 我不是毛发学家，但我确实明白秃头一根新发也没长出来。
- It knows for certain that different b rand and specification of pump has re levant use limits by analyzing pumps. 通过对各种离心泵的分析比较可知,不同规格型号的离心泵具有相应的适用范围。
- Familiarity in this case means simply knowing for certain that something is there. 在这种情况下，熟悉只是确定地知道有东西在那儿。
- For on the day that you go forth and cross over the brook Kidron, know for certain that you shall surely die; your blood will be upon your own head. 37你当确实的知道，你何日出来过汲沦溪，何日必死；流你血的罪必归到你自己的头上。
- Because at the point the wallets actually open, you know for certain that their curiosity is piqued. 因为一旦要他们自己花钱了，好奇心就可能会被抹杀。
- The king answered and said, I know for certain that you are trying to buy time because you have seen that the command from me is published. 王回答说,我准知道你们是在拖延时间,因为你们看见我已发出命令;
- I tell you I know for certain that Lisa will be promoted to manager. The boss told me himself, so it's straight from the horse's mouth! 这个人说:“告诉你,我知道莉沙肯定会被提升为经理的。这是老板亲口告诉我的,这个消息是绝对可靠的!
- Do you believe your girlfriend or wife when she claims to have an orgasm? How can you know for certain that she's not faking? 你是否认为你的女友或妻子时，她声称有一个高潮？你怎么知道的肯定，她不会伪装？
- I didn't know for certain where I should go at that time. 那时，我的确不知道该到哪儿去。
- According to our company policy,the L/C must be a confirmed and irrevocable one,though we know for certain that an international businessman like you will never default. 根据我公司的规定，信用证必须是保兑的,虽然我们肯定像你这样的国际商人不会不遵守合同。
- According to our company policy, the L/C must be a confirmed and irrevocable one, though we know for certain that an international businessman like you will never default. 徐: 根据我公司的规定，信用证必须是保兑的,虽然我们肯定像你这样的国际商人不会不遵守合同。
- I can tell you for certain that I am always honest. 我可以肯定地告诉你, 我一向是老实的。
- God said to Abram, "Know for certain that your descendants will be strangers in a land that is not theirs, where they will be enslaved and oppressed four hundred years. 耶和华对亚伯兰说，你要的确知道，你的后裔必寄居别人的地，又服事那地的人。那地的人要苦待他们四百年。
- There has been none of the internecine warfare which riddled the Clinton campaign and is now erupting within the McCain camp even before they know for certain that they've lost. 那些上演在克林顿阵营和眼下爆发在麦凯恩阵营内部的窝里斗（甚至在他们确信自己大势已去之前就发生了），都从未在奥巴马的团队中出现过。
- We never knew for certain how it happened. 究竟是怎么发生的，我们始终未搞清楚。
- Do you know for certain what will happen to him ? 你肯定他会碰到什么事吗?
- He may succeed,but I don't know for certain. 他也许能成功，但我不敢肯定。
- No one can say for certain that the method will soon be found. 没有人能肯定说方法会很快找到。
