Are you absolutely certain about this?
你对这事绝对确信无疑吗？
我确定要和你永远在一起。
对此我是相当有把握的。
这事你能肯定吗？
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。
On the other hand, nothing is certain about Hleb.
另一方面，赫莱布还不确定。
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'm afraid I can't be certain about that until next week.
恐怕要等到下星期我才能确定。
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。
She was not certain about the grammar and some of the idioms.
她对语法和一些成语没有把握。
Boys generally think that they are very certain about many things.
一般情况下，男孩子认为自己对许多事情都非常确定。
So, first make certain about the quoted cost and its credible benefits.
所以，首先一定的引述其可信的成本和效益。
When I buy formal dress , I can never be quite certain about my choice.
当我购买正式衣著时，我永不肯定我的选择。
Jackie and Jean are the only things you know for certain about that day?
杰姬和吉恩，是关于那天你唯一确定的事？
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。
Scientists are fairly certain about the effects of hot spots beneath the ocean floor .
科学家们确信在海底下方的热点作用。
One thing is certain about the New Year: It will be a great time to look for a new job.
新的一年，有一件事是肯定的：明年将是找新工作的绝佳时机。
I can get down to nitpicking detail, I am pretty fussy about certain things.
我会挑剔细节，而且对某些事情我会相当吹毛求疵。
The boy has gaps in his mind about it. He is blotting certain things out.
这个男孩对此事的记忆有缺失，他对有些事情不记得了。
Although the car is basically sound, I was worried about certain areas.
虽然这辆汽车基本状况完好，但我担心某几个部分。
I felt a certain uneasiness about meeting her again.
我对再次见她感到有些拿不准。
For certain purposes, you can talk about slices, but the fundamental thing is the salami.
因为某种目的，你可以谈论切片，但根本的在于意大利腊肠本身。
Students should not worry about when exactly to use certain expressions.
学生不必担心什么时候使用某些特定的表达。
Now, we know certain things about this empathy, some which might be surprising.
我们对移情有一定的了解，有些了解会让你吃一惊。
ASBO's are often designed with certain assumptions about the application.
ASBO常常是通过对应用程序做某些假定而设计的。
ASBO's are often designed with certain assumptions about the application.
ASBO常常是通过对应用程序做某些假定而设计的。
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