查询词典 certain of

How can I be so certain of this?

我如何能这么肯定这点？

The only way to be certain of anything in marketing is to test it.

只有这样，才能确定什么是市场营销，以测试它。

It is important to validate a diagnosis and be certain of its accuracy.

重要的是，验证某一诊断的合理性，确保这一诊断的准确性。

Can we be certain of/about the truth of what he said?

我们能确认她说的话的真确性吗？

But we can never be certain of how these different gemstones are valued by people.

但我们绝不能肯定如何对这些不同的宝石的价值的人。

From one moment to the next, no one can be certain of anything.

从一个时刻到下一时刻，没有什么人能确定什么事情。

Be sure /certain of sth

对。。有把握

Be sure/certain of sth.

doing 某人对做某事有把握

We are certain of their bona fides, but you will understand that we cannot reveal their real name or publish any photos without consent.

我们确信他们的诚意，但你会明白，我们不能透露自己的真实姓名或发布未经同意的任何照片。

Incidentally, Sirius is called the Dog Star, since it's the most prominent star in the constellation Canis Major, and it becomes visible in the Northern hemisphere only during a certain span of time in the summer, which is why we call that period the "dog days of summer".

偶然地， Sirius称天狼星，因为它是多数在星座大犬星座的prominent星和它成为在仅北半球的visible在期间某一间距 time在夏天，是我们为什么称那个期间"酷热期 of夏天"。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。