certain ['sə:tən]

adj.
确定的, 某一个, 无疑的, 必然的, 可靠的
pron.
某几个, 某些

单词认知/跟读练习/词义回想/单词回想/字母填空/听写练习/选择练习/默写练习/单词测试（初中高）

单词 certain 网络释义

形容词 a.
1.确凿的,无疑的;可靠的
2.确信的,有把握的;一定会的[F][(+of/about)][+(that)][+wh-][+to-v]
They are certain to succeed. (They are certain of success.) (They are certain that they will succeed.)
他们确信会成功。
I'm quite certain of that.
对那事我完全可以肯定。
I was certain that he had seen me.
我肯定他已看见了我。
3.某,一位姓...的(人)[B]
A certain person called on you yesterday.
昨天有个人来拜访过你。
4.某种(或一定)程度的[B]
代词 pron.
1.某几个;某些[(+of)]

单词 certain 其它相关

单词解释
a. 确定的,某一个,必然的
a. Having no doubt; positive.
pron. An indefinite number; some.
相关例句
There might be a certain bug in the machine.
　 机器里面可能有些毛病。
They are certain to succeed.
　 他们确信会成功。
I don't know for certain.
　 我不确知。
Make certain (that) you know what time the film begins.
　 你要弄确实 [弄清楚] 那部片子在何时上映。
Certain of them [the boys] were honest enough to tell the truth.
　 他们 [男孩们] 中的某些人很诚实地说出真相。
A certain person called on you yesterday.
　 昨天有个人来拜访过你。
I am certain he'll come,in spite of the bad weather.
　 尽管天气不好，我确信他会来的。
He is certain to do his duty.
　 他肯定会尽职。
相关短语
certain evidence 确凿的证据
show a certain hesitation 表示几分犹豫
at a certain place 在某个固定场所,在一定的地点
a certain Mr. Smith 一位叫史密斯先生的人
a woman of a certain description 某种类型的女人
to a certain extent 到某种程度 (为止)
for certain 肯定地
make certain 确定
单词变化
变化: more certain; most certain
单词词根
词根：cert=确实,确信,确定
certitude n. 确实,确信
incertitude n．疑惑，不确定
certain a.确实的；肯定的
certainly ad.一定，必定；当然
certainty n.必然，确实
uncertain adj.不确定的，易变的
uncertainty n.不定，易变
certify v.证明
certifier n. 证明者
certified a. 被鉴定的
certifiable a. 可证明的,可保证的,可确认的
certification n.证明
ascertain v.查明，弄清
certificate n.证书，证件，执照
同义反义
同义词：insistent, true, unavoidable, fated, conclusive, sure, unquestionable, destined, real, some, particular, inevitable, special, confident, especial, definite, positive, demonstrable, confirmed
反义词：conditional, negative, qualified, uncertain, unreliable, false, doubtful

单词 certain 其它例句

- certain places.
　 某几个地方.
- i certain
　 我确定
- He can't backs his country now, because certain questions.
　 因为某些问题，他现在不能回国。