certain的经典引文是：Payment of money on a day certain.出自：H. J. Stephen。certain的详尽释义是adj.(形容词)肯定的，一定会的确定的某，某种，某些确信的确凿的，无疑的，可靠的，有把握的某种程度的确实的可靠的。certain【近义词】absolute。
一、详尽释义点此查看certain的详细内容
二、双解释义
三、网络解释
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：中国前副史美伦就曾经指出,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,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.
四、例句
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。
五、经典引文
Payment of money on a day certain.
出自：H. J. StephenThe fixed and certain oak.
出自：J. Arlott六、情景对话
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申报物品。如果你没有需要申报的物品而海关又没有阻拦你，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。
七、词源解说
certain的相关近义词
absolute、confident、convinced、express、particular、positive、reliable、settled、special、sure
certain的相关反义词
disputable、doubtful、questionable、uncertain、unclear、unconvinced、unfounded、unlikely、unreliable、unsettled、unsure
certain的相关临近词
certainly、cert、Certaines、certain of、Certain tea、certainness、certain fee、certain jet、certain rate、certain size、certain-ty、certain list