certain

肯定（BEING SURE）

1. 肯定的;有把握的;毫无疑问的
If you are certain about something, you firmly believe it is true and have no doubt about it. If you are not certain about something, you do not have definite knowledge about it.

e.g. She's absolutely certain she's going to make it in the world...
她坚信自己会出人头地。
e.g. 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。

2. 必然的;必定的;肯定的
If you say that something is certain to happen, you mean that it will definitely happen.

e.g. 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。
e.g. 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。

3. 确凿的；无疑的
If you say that something is certain, you firmly believe that it is true, or have definite knowledge about it.

e.g. 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。
e.g. It is certain 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 have certain knowledge, you know that a particular thing is true.

e.g. He had been there four times to my certain knowledge.
我确定他去过那儿4次。

5. 确切地;无疑地
If you know something for certain, you have no doubt at all about it.

e.g. 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。
e.g. Hill had to find out for certain.
希尔得弄个清楚。

6. 确保；保证
If you make 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 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。
e.g. 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。

表示数量（REFERRING AND INDICATING AMOUNT）

1. 某个;特定的
You use certain 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 be certain 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 a certain person a sum of money...
你欠某人一笔钱。

2. 某些;一些
When you refer to certain 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 on certain 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 use a 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 a certain 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 use a 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 a certain bitterness...
那就是为什么他感到有些痛苦。
e.g. There is a certain 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.