certain
美 ['sɜrt(ə)n]
英 ['sɜː(r)t(ə)n]
- adj.肯定；确定；确信；无疑
- pron.（不提及人或事物的名称时用）某些
- 网络确定的；肯定的；一定的
certain
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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。 |
IDM
I can't say for certain when we'll arrive. 我说不准我们什么时候能到。 |
for certain
肯定；确定；无疑without doubt
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。 |
make certain (that…)
弄确实；弄清楚；弄明白to find out whether sth is definitely true
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。 |
make certain of sth/of doing sth
确保（做某事）to do sth in order to be sure that sth else will happen
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。 |
of a certain age
不算年轻的；年纪不轻的；中年的if you talk about a person beingof a certain age , you mean that they are no longer young but not yet old
The show appeals to an audience of a certain age. 这个节目中年观众感兴趣。 |