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certain的用法大全

肯定的:certain的用法大全

  You see, I…I am crazy. I take the newer medications, but I still see things that are not here. I just choose not to acknowledge them. Like a diet of the mind, I choose not to indulge certain appetites. Like my appetite for patterns. Perhaps my appetite to imagine and to dream.

  ——A Beautiful Mind

  你要明白,我……我是疯的。我服用最新的药物,但我仍然看的见那些不存在的东西。我只是选择了不去理睬他们。就好像一顿心灵快餐,我选择不去纵容某些食欲。比如说我症状的食欲。还有我虚构和想象的食欲。

  ——《美丽心灵》

  一、你知道certain有几种含义吗?

  adj.

  1.确实的,有把握的,毫无疑问的 firmly believing sth; having no doubts

  I am certain that by the end of the century we can surpass the goal of quadrupling the GNP.

  我相信到本世纪末我们的国民生产总值肯定会超过翻两番的目标。

  2.必然的,必定的,肯定的,确定的,无疑的 that you can rely on to happen or to be true

  He had been there four times to my certain knowledge.

  我确定他去过那儿4次。

  3.某一 used to mention a particular thing, person or group without giving any more details about it or them

  It is impossibly for heat to be converted into a certain kind of energy without something lost.

  一点不损耗就把热转换成某种能是不可能的。

  pron.

  某些,某几个used for talking about some members of a group of people or things without giving their names

  二、下面我们来学习一下含有certain的常见短语

  for certain

  1.肯定地

  三、接下来,做个小测试吧

  The show appeals to an audience of a ______ age.

  某个年龄层的观众对这个节目感兴趣。

2020年6月英语四级语法用法辨析:sure与certain的用法与区别

  一、两者在用法上的相同点

  两者都可用作表语,表示“一定”或“确信”,有时可互换。互换的场合应注意以下几点用法:

  1. 表示说话者的态度或看法

  即表示说话者自己的态度或看法,其意为“一定会”“肯定会”。此时主要用法有:

  (1) 单独用作表语。如:

  One thing was sure [certain]: they'd be late. 有一件事是确定无疑的,他们会迟到。

  (2) 后接不定式。如:

  He's certain [sure] to win. 他一定会成功。

  They're certain [sure] to need help. 他们肯定需要帮助。

  If you do this, you are certain [sure] to be found out. 如果你这样做一定会被发现。

  2. 表示句子主语的判断或信念

  即表示句子主语对某一情况的判断或信念,其意为“相信”“确信”“有把握”等。此时通常用于以下结构:

  (1) 后接of [about] sth。如:

  He is certain [sure] of success. 他确信会成功。

  Are you certain of [about] that? 你对此有把握吗?

  (2) 后接 of doing sth。如:

  Our team is certain [sure] of winning. 我们队有把握赢。

  You can be sure [certain] of his agreeing. 你可以放心他会同意。

  比较同义句:

  He is certain [sure] of winning.

  =He is sure [certain] that he will win. 他自信会赢。

  (3) 后接 that / whether / if 从句。如:

  I am sure [certain] that he is honest. 我肯定他是诚实的。

  I'm sure [certain] that it's not your fault. 我敢肯定这不是你的错。

  Are you certain [sure] that this is the right road? 你肯定这条路对吗?

  注:当be sure [certain]为肯定式或疑问式时,后接that从句;当be sure [certain]为否定式时,后接whether [if]从句。如:

  I'm not sure [certain] whether he still works there. 我不能肯定他是否还在那里工作。

  I wasn't sure [certain] whether he would agree. 我不太肯定他是否会同意。

  He wasn't sure [certain] whether he would be able to get back in time. 他不能肯定他是否能准时回来。

  (4) 后接其他从句。如:

  I'm not sure [certain] where she lives. 我不能肯定她住在哪里。

  I'm not certain [sure] who wrote it. 我不太清楚这是谁写的。

  二、只能用certain的情形

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