大学英语四六级必考词组 certain about
释义：
certain about 确定;有把握
例句：
Are you absolutely certain about this?
你对这事绝对确信无疑吗？
I am not certain about that.
我也不确信这个消息。
I am not certain about it.
我也不确信这个消息。
They are less certain about the smallest planet.
他们对这颗最小的行星就不那么确定了。
Help us to be certain about things we do not see.
求祢帮助我们来确信未见之事。
Is the firm certain about what its customers value?
公司是否确定它的客户所珍视的东西？
I don't think we can say anything certain about that trend.
我认为不能对趋势有定见。
I am not certain about what to do, I feel need of direction.
我不确定该做什么，我觉得我需要指导。
They were less certain about stars with more than 10 times the sun's mass.
他们不太确定十倍于太阳以上的星体的形成方式。
Even if success is uncertain and hard to quantify, you can be certain about failure.
虽然成功具有不确定性，很难量化，但你却能够确定失败。
I am not certain about that yet, but you shouldn't use such a rude word to describe a woman.
我还不能完全确定，可是你实在不该用这样粗俗的字眼去形容一个女人。
No great discovery could be had if human beings ventured out only when they were fully certain about the outcome.
人若是在他们已经充分确定成果的情况下出外探险，肯定不会有伟大的发现。
"I do not give hypothesis" leads controversy whether Newton was certain about hypothesis or negated the hypothesis.
“我不作假说”引出牛顿到底是肯定假说还是否定假说的争论。
Tyrion was less certain about the captain, who always emerged for the evening prayers but took no other part in them.
提利昂不太确定那个船长的信仰，他总在晚祷时出席但是却不参与其他人的行为。
The only thing that is certain about the 5 August 2002 working draft of XHTML 2.0 is that nothing about it is certain.
年8月5日的XHTML 2.0工作草案中唯一可以确定的事就是不能确定任何事情。
You know who you are better than any recruiter, so don't let someone convince you to take something you don't feel certain about.
你比任何应征者都了解自己，所以不要让别人说服你做去对你感觉没把握的事情。
We cannot predict with certainty what the future will bring, but we can be certain about the issues that will define our times.
我们不能肯定地预测到未来是怎样的，但是我们可以肯定哪些问题将会确定我们的时代。
One possibility is that it has something to do with how our brains process information, she adds, but "we cannot be very certain about it."
她补充说，一种可能性是此阶段可能与我们大脑如何加工信息有关。但是“我们对此不能十分确定。