for a certainty

常见例句

And, if we know it for a certainty, how do we know it?
如果我们确实知道这些情况，我们又是如何得知的呢？
I know for a certainty that the company has been bought up.
我确实知道公司已经被人收购了。
I was obliged to admit that I did know it for a certainty, and I said to myself, 'Pip, what a fool you are!
可是我又不得不承认她一定会带给我不幸。我在心中暗暗责备自己：“皮普，你是多么愚蠢啊！”

At any rate, I don't know for certainty that I'm a harder grader, but I believe that it's the case based on reactions I get when I give the speech that I'm about to give.
不管怎么，虽然不是特确定我评分严格，但相信应该就是这样,根据我每次说这些话时得到的反应来说。
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Better to wait for a resolution, certainty is better than uncertainty.
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For it is a certainty that no matter what they do, some people will claim that they were too aggressive and others will claim that they were not aggressive enough.
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He has the endorsement of Mr Riordan and of the Los Angeles Times, and his charisma and energy make up for a lack of certainty about how he would run the city.
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