certain
英['sɜːtn] 美['sɜːrtn]
"set aside a certain sum each week"
"to a certain degree"
"certain breeds do not make good pets"
"certain members have not paid their dues"
"a certain popular teacher"
"a certain Mrs. Jones"
"felt certain of success"
"was sure (or certain) she had seen it"
"was very sure in his beliefs"
"sure of her friends"
"what is certain is that every effect must have a cause"
"it is certain that they were on the bus"
"his fate is certain"
"the date for the invasion is certain"
"he was certain to fail"
"his fate is certain"
"In this life nothing is certain but death and taxes"
"he faced certain death"
"sudden but sure regret"
"he is sure to win"
"his fate is sealed"
"a quick and certain remedy"
"a sure way to distinguish the two"
"wood dust is a sure sign of termites"
"be certain to disconnect the iron when you are through"
"be sure to lock the doors"
肯定（BEING SURE）
1.肯定的;有把握的;毫无疑问的
If you arecertain about something, you firmly believe it is true and have no doubt about it. If you are notcertain about something, you do not have definite knowledge about it.
e.g. She's absolutelycertain she's going to make it in the world...
她坚信自己会出人头地。
e.g. We are notcertain whether the appendix had already burst or not...
我们不敢肯定阑尾是否已经破裂。
2.必然的;必定的;肯定的
If you say that something iscertain to happen, you mean that it will definitely happen.
e.g. However, the scheme iscertain to meet opposition from fishermen's leaders...
然而，这项计划一定会遭到渔民领袖的反对。
e.g. It's notcertain they'll accept the Front's candidate if he wins...
即便来自阵线的候选人获胜，他们能否接受他还说不准。
3.确凿的；无疑的
If you say that something iscertain, you firmly believe that it is true, or have definite knowledge about it.
e.g. One thing iscertain, both have the utmost respect for each other...
有一点可以肯定，那就是双方都非常尊重对方。
e.g. It iscertain that Rodney arrived the previous day.
罗德尼肯定是头天到的。
4.确实的;肯定的
If you havecertain knowledge, you know that a particular thing is true.
e.g. He had been there four times to mycertain knowledge.
我确定他去过那儿4次。
5.确切地;无疑地
If you know somethingfor certain, you have no doubt at all about it.
e.g. She couldn't know what time he'd go, or even forcertain that he'd go at all...
她不知道他何时走，就连他到底走不走都说不准。
e.g. Hill had to find out forcertain.
希尔得弄个清楚。
6.确保；保证
If youmake certain that something is the way you want or expect it to be, you take action to ensure that it is.
e.g. Firstly, they must makecertain that their pension needs are adequately catered for...
首先，他们得确保他们能获得足够的养老金。
e.g. To make extracertain, a police helicopter kept watch from the skies.
为确保万无一失，一架警用直升机一直在空中警戒。
表示数量（REFERRING AND INDICATING AMOUNT）
1.某个;特定的
You usecertain to indicate that you are referring to one particular thing, person, or group, although you are not saying exactly which it is.
e.g. There will becertain people who'll say 'I told you so!'...
一定有人会说：“我怎么跟你说来着！”
e.g. You owe acertain person a sum of money...
你欠某人一笔钱。
2.某些;一些
When you refer tocertain of a group of people or things, you are referring to some particular members of that group.
certain
e.g. They'll have to give up completely oncertain of their studies.
他们将不得不彻底放弃某些研究。
3.(用于人名前，表示不认识或了解很少)某个
You can usea certain before the name of a person in order to indicate that you do not know the person or anything else about them.
certain的反义词
e.g. She managed to arrange for them to be hidden in the house of acertain Father Boduen.
她设法安排他们藏在一个叫博迪恩的神父家里。
4.(品质、特点等)一定程度上的，有点儿
You usea certain to indicate that something such as a quality or condition exists, and often to suggest that it is not great in amount or degree.
e.g. That was the very reason why he felt acertain bitterness...
那就是为什么他感到有些痛苦。
e.g. There is acertain impatience among some of the soldiers...
有些士兵有点儿不耐烦。
1.
1. 肯定：股票市场最难搵到投资对象日子,就系大家对前景好肯定(certain)之时;反之,机会处处往往系股市进入不稳定期(uncertain times). 今年1月人人话内地A股出现泡沫,就系另一投资内地股票时机,反而依家人人改变睇法,认同唔系泡沫,便要小心D.
2. 确定：中国证监会前副主席史美伦就曾经指出,上市公司质量问题、高管人员圈钱、大股东占用公司资金等等行为是很严重的问题,证监会现在很重视这个问题. 对于这些行为的执法也非常重要,因为监管的含义就是制定法律和执行法律,为市场提供比较清楚(clear)确定(certain)的法律,而不能朝令夕改.
It's certain that every effect must have a cause.
无疑，每个结果必定有其原因。
I can tell you for certain that I am always honest.
我可以肯定地告诉你, 我一向是老实的。
certain things are still open to discussion.
有些事还需要商量。
A certain man will visit you tomorrow.
明天某人将探访你。
For certain reasons I will be unable to attend the meeting.
因为某种原因，我不能出席这次会议。
A certain Mr Brown telephoned while you were out.
你出去的时候
To a certain extent, I'm in favor of your project.
从某种程度上说,我赞成你的方案。
There was a certain coldness in her attitude towards me.
她对我的态度有点儿冷淡。
certain of those present had had too much to drink.
有些出席的人喝得太多了。
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) .
我敢肯定他当时在别处。
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。
It was a certain Dr Davis who performed the operation.
是一位叫戴维斯的医生做的手术。
That's true, to a certain extent .
在一定程度上的确如此。
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。
She wasn't certain (that) he had seen her.
她不敢肯定他见过她。
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'/They are certain to agree.
他们肯定会同意。
She looks certain to win an Oscar.
看来奥斯卡金像奖非她莫属。
You owe a certain person a sum of money...
你欠某人一笔钱。
They'll have to give up completely on certain of their studies.
他们将不得不彻底放弃某些研究。
She managed to arrange for them to be hidden in the house of a certain Father Boduen.
她设法安排他们藏在一个叫博迪恩的神父家里。
That was the very reason why he felt a certain bitterness...
那就是为什么他感到有些痛苦。
There is a certain impatience among some of the soldiers...
有些士兵有点儿不耐烦。
There will be certain people who'll say 'I told you so!'...
一定有人会说：“我怎么跟你说来着！”
It is certain that Rodney arrived the previous day.
罗德尼肯定是头天到的。
He had been there four times to my certain knowledge.
我确定他去过那儿4次。
She couldn't know what time he'd go, or even for certain that he'd go at all...
她不知道他何时走，就连他到底走不走都说不准。
Hill had to find out for certain.
希尔得弄个清楚。
Firstly, they must make certain that their pension needs are adequately catered for...
首先，他们得确保他们能获得足够的养老金。
To make extra certain, a police helicopter kept watch from the skies.
为确保万无一失，一架警用直升机一直在空中警戒。
One thing is certain, both have the utmost respect for each other...
有一点可以肯定，那就是双方都非常尊重对方。
We are not certain whether the appendix had already burst or not...
我们不敢肯定阑尾是否已经破裂。
However, the scheme is certain to meet opposition from fishermen's leaders...
然而，这项计划一定会遭到渔民领袖的反对。
It's not certain they'll accept the Front's candidate if he wins...
即便来自阵线的候选人获胜，他们能否接受他还说不准。
She's absolutely certain she's going to make it in the world...
她坚信自己会出人头地。
Payment of money on a day certain.
出自：H. J. StephenThe fixed and certain oak.
出自：J. Arlott了解海关手续
A：You've traveled abroad a lot, Jim, so would you like to tell me something about clearing customs.
吉姆，你经常出国旅游，能向我介绍一下关于通关的情况吗？
certain的意思
B：When you arrive in a country, you clear customs. A lot of countries have two channels: the green channel and the red channel. Some countries, like India, have three channels: the white channel, the green channel and the red channel.
到达一个国家时要通关。许多国家的海关有两种通道：绿色通道和红色通道。还有些国家如印度有三种通道：白色通道、绿色通道和红色通道。
certain的近义词
A：Then what are the differences between the green channel and red channel?
那么绿色通道和红色通道之间有什么区别呢？
B：If you have more than the duty-free allowances or prohibited goods, you go through the red channel and declare them to a customs officer. If you otherwise have nothing to declare, you go straight through the green channel unless you are asked to stop by an officer. 如果你携带的东西超出免税的范围或属于禁带物品，你
就得从红色通道通过并向海关官员申报物品。如果你没有需要申报的物品而海关官员又没有阻拦你，你就可以直接通过绿色通道了。
A：I see.I'm told that we'll have to state the purpose of going to acertain country, is it true?
我明白了。我听说去一个国家时需要陈述旅行的目的，是吗？
B：That's right. People go aboard for different purposes: some for pleasure, some on vacation, some on business, and some for other purposes.
是的。人们出国都各有目的：有的为了消遣，有的出去度假，有的是因公出差，有的是为了其他目的。
certain的意思
A：I'm going to New Zealand for sightseeing. What should I say if they ask about my purpose?
我要去新西兰观光，如果他们问我旅行的目的我该怎么说呢？
certain是什么意思
B：Just saying "sightseeing" is OK.
说"观光"就行了。
I am certain/sure of his honesty.
I am certain/sure to see him tomorrow.
He is certain to come tomorrow.
他明天一定来。
He is certain of coming tomorrow.
他相信他明天一定来。
I am not certain (about) where he lives.
我不太确定他住在哪里。
Humans can developcertain abilities we aren't born with by practicing animals' movements.
人类可以通过练习动物的动作来培养某些我们天生没有的能力。
2020重庆市A卷
Two-thirds of Internet users look online for information about acertain disease or medical condition.
三分之二的互联网用户在网上寻找有关某种疾病或医疗状况的信息。
2019呼和浩特卷
My own experience made me feelcertain of becoming a mentor this year and helping other students like myself.
我的个人经历让我确定，今年要成为一名导师，帮助其他像我一样的学生。
2020青岛市卷
Advertisements are made to make people feelcertain that they are true, and then people can buy the products.
广告被制作出来，是为了让人们确信它们是真的，然后人们就会购买产品。
2019河北省卷
They are no longercertain about their own feelings.
他们不再确信自己的感受。
2018沈阳市卷
To acertain degree, we can understand and control our experience of time passing.
在一定程度上，我们可以理解和控制我们对时间流逝的体验。
2019北京市卷
Intuition's special powers are unleashed only incertain circumstances.
直觉的特殊力量只有在某些情况下才会释放出来。
2021英语二
But while aging is inevitable, scientists are finding thatcertain changes in brain function may not be.
尽管衰老是不可避免的，但科学家们发现，大脑功能的某些变化可能并非如此。
2021英语一
The decisions made it more difficult for states to collect sales tax oncertain online purchases.
这些决定使得各州更难对某些网上购物征收销售税。
2019英语一
To acertain extent, our ability to excel in making the connections that drive intelligence is inherited.
在一定程度上，我们擅长建立能够开发智力的联系，这种能力是通过继承得到的。
2014英语一
They often include acertain amount of digging to test for buried materials at selected points across a landscape.
它们通常包括一定量的挖掘，以测试景观中选定点的掩埋材料。
2014英语一
And I felt like that again, to acertain degree, when people responded to the blog so well.
当人们对博客的反应如此之好时，在一定程度上，我又有了这种感觉。
2013英语二
Far lesscertain, however, is how successfully experts and bureaucrats can select our peer groups and steer their activities in virtuous directions.
然而，至于专家和官僚如何成功地选择我们的同辈群体，并引导他们的活动朝着良性方向发展，这一点就更不确定了。
2012英语一
