certain
常考释义
1.确实；确定；肯定that you can rely on to happen or to be true
The climbers face certain death if the rescue today is unsuccessful.救援行动如果今天不能成功，登山队员必死无疑。
It is certain that they will agree.他们一定会同意。
She looks certain to win an Oscar.看来奥斯卡金像奖非她莫属。
They are certain to agree.他们一定会同意。
If you want to be certain of getting a ticket, book now.要想有把握买到票，现在就得预订。
2.确信；确定；无疑firmly believing sth; having no doubts
She wasn't certain (that) he had seen her.她不敢肯定他见过她。
Are you absolutely certain about this?你对这事绝对确信无疑吗？
I'm not certain who was there.我无法确定谁当时在场。
To my certain knowledge he was somewhere else at the time(= I am sure about it) .我敢肯定他当时不在现场。
3.（不提及细节时用）某事，某人，某种used to mention a particular thing, person or group without giving any more details about it or them
For certain personal reasons I shall not be able to attend.由于某种个人原因，我将不能出席。
Certain people might disagree with this.某些人对这事可能不会赞同。
They refused to release their hostages unless certain conditions were met.除非某些条件得到满足，否则他们不会释放人质。
4.（与人名连用，表示说话者不识其人）某某，某位，一位叫…的used with a person's name to show that the speaker does not know the person
It was a certain Dr Davis who performed the operation.是一位叫戴维斯的医生做的手术。
5.轻微的；微小的；显而易见却难以描述的slight; noticeable, but difficult to describe
That's true, to a certain extent .在一定程度上的确如此。
I felt there was a certain coldness in her manner.我觉得她的态度有点冷淡。
I can't say for certain when we'll arrive.我说不准我们什么时候能到。
I can't say for certain when we'll arrive.我说不准我们什么时候能到。
I think there's a bus at 8 but you'd better call to make certain.好像 8 点有一班公共汽车，不过你最好打电话弄清楚。
I think there's a bus at 8 but you'd better call to make certain.好像 8 点有一班公共汽车，不过你最好打电话弄清楚。
You'll have to leave soon to make certain of getting there on time.你得快点出发，好确保准时到达那里。
You'll have to leave soon to make certain of getting there on time.你得快点出发，好确保准时到达那里。
The show appeals to an audience of a certain age.这个节目中年观众感兴趣。
The show appeals to an audience of a certain age.这个节目中年观众感兴趣。
1.（不提及人或事物的名称时用）某些used for talking about some members of a group of people or things without giving their names
Certain of those present were unwilling to discuss the matter further.某些在场的人不愿意进一步讨论这个问题。
The only way of avoiding this problem would be if, for some reason, the stars did not shine before a certain time.
唯一避免这种问题的办法是，因为某些原因，星体在一端时间以前是不发光的。
A PHP function that can output how much a user would need to donate to get a certain amount of GD.
一个PHP函数，可以输出多少用户需要获得捐赠一定数额的GD。
Well, not until a certain git by the name of Lockhart took over as Defence Against the Dark Arts teacher, at any rate.
呵呵，直到有天有个叫洛哈特的饭桶当了黑魔法防御术老师，情况就不同啦。
As the modern logistics develops to a certain stage, Logistics Park is beginning to be produced.
物流园区是现代物流发展到一定阶段的产物。
This overseas experience can be extended by up to a year, allowing students to complete an MBA at certain academic partners.
海外经历可以延长至一年，允许学生在学术伙伴处完成工商管理硕士学位。
Nutritional deficiencies do seem to be the cause of certain cases of low testosterone.
营养不良看来确实是导致某些病例睾丸激素偏低的原因。
And then, like every leader, they've got to have a certain sort of pizzaz that gets people excited.
就像所有领导人，他们必须有能振奋人心的特质。
So, if you have recombination at a certain frequency, I can say exactly how much that helps or hurts the fitness of the population.
因此，如果你获得一定水平的重组率，我可以准确得出它在多大程度上促进或损害人口的适应性。
After a certain number of points, the players changed round so that neither could benefit unduly from the wind or the position of the sun.
达到一定比分后，运动员就互换场地，这样双方都不致由于风向和阳光的位置而独得优势。
Interestingly enough I also discovered what appeared to be uncensored internet available at a certain library in Tehran.
有趣的是，我发现德黑兰某些图书馆的计算机网络，并没有受到过滤审查的机制的影响。
NA: At a certain point the "Warhol" films began to be directed, wholly or largely, by your friend and fellow Factory worker Paul Morrissey.
安：从某个时候开始，“沃霍尔”电影开始全部或大部分由你的朋友、“工厂”合作伙伴保罗-莫里西（PaulMorrissey）执导。
GDP refers to the total values of all the ultimate products for a certain period of time of all the permanent units of a country.
GDP是指一国所有常住单位在一定时期内生产的全部最终产品的价值总和。
In marrying you, she was in this mix-up and might have remained so but for a certain break.
嫁给你之后，她一直就是浑浑噩噩的，而且，除非分手，否则还会这么浑噩下去。
It have been found that there was a certain relation between the dyeing properties and crystal phase, particle size of acid dyes.
试验表明酸性染料的染色性能与染料的晶相和粒子大小有着一定的关系。
I'm certain that the destiny of each one of us and Asia as a whole will depend on how well we adjust to this very profound transformation.
我确信我们每个人的命运，以及整个亚洲的命运取决于我们能在多大程度上适应这一深刻的转变。
Certain materials are electroluminescent, and this electroluminescent effect has been used in the construction of backlights for displays.
某些材料是电致发光的，电致发光效应在显示器的背光的结构中被使用。
Just a few more minutes of catching fireflies on a lazy summer evening. So what if that certain TV show was on?
要是再多一会儿，和孩子们在夏日慵懒的晚上一快捉萤火虫，即便那定时要收看的电视节目已经上映了又何妨？
The unauthorized alteration of certain system files is one of the symptoms of an active attack, or compromise upon a system.
对系统特定文件的未授权改变是对系统进行攻击和危害活动的表现之一。
Try to be able to provide certain theory and carry out a reference for Chinese occupation basketball harmonious, healthy development.
试图能为中国职业篮球的和谐、健康发展提供一定的理论和实践参考。
More to the point, could any modern writer be certain their lives would still be interesting to anyone so long after their death?
举例来说，哪位现代作家能确定自己的生平事迹在自己去世后如此之久仍有人感兴趣呢？
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