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couldn't是什么意思,couldn't的意思翻译、用法、同义词、例句

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couldn't英标

英:/''kʊdnt/ 美:/''kudnt/

常用词典

  • v. 不能(等于could not)

  • 例句

  • I couldn't find my keys this morning.

    今天早上 我不能找到我的钥匙了

  • Thank you all for all of the wonderful support. I couldn't have done it without you!

    感谢大家的大力支持。没有你们,我不可能做到!

  • We couldn't find enough interested students, so we had to cancel the art class.

    我们找不到足够数量感兴趣的学生,所以只能取消美术课了。

  • The facilities at this gym are so complete, you couldn't ask for more!

    这个健身房的设施很完备,你别无他求!

  • Our car couldn't get any traction on the sand and we had to call a tow truck.

    车在沙滩上没什么摩擦力,我们需要叫一辆拖车。

  • As the only person who couldn't speak French at the party, I felt a bit alienated

    作为聚会上唯一一个不说法语的人,我感觉有点不合群。

  • The bachelor loved dating various women, but would always break up with them when they couldn't fit his present needs.

    这个单身汉喜欢和不同的女人约会,但是一旦她们不能满足他现有的需求就会和她们分手。

  • I couldn't get my homework done because it was really hard.

    我作业做不完了,实在太难了。

  • I couldn't open the window last night, it was frozen closed!

    昨晚我没法打开窗户。都冻住了!

  • After her fiancé cheated on her, she couldn't stick with him anymore.

    她未婚夫出轨后,她就无法跟他继续下去了。

  • A: Starbucks is overrated. B: Couldn't have said it better myself.

    A:星巴克也不怎么样啊。 B:你说的太对了。

  • Because I'm nearsighted, I couldn't see the door to the building and walked too far.

    因为我近视,没看到大楼的门,结果走过了。

  • I couldn't trust him anymore.

    我再不能相信他了。

  • Why couldn't he listen to her?

    为什么他不能听她的话?

  • I couldn't stand that yowling.

    我无法忍受那种哀嚎。

  • Sorry, I couldn't get any more.

    对不起,我无法弄到更多了。

  • What a shame they couldn't come.

    他们不能来了,真是遗憾。

  • 常用搭配

  • couldn't help

    禁不住;不得不

  • 同义词

  • v.|be incapable of/can not;不能(等于could not)

  • 专业解析

    "couldn't"是英语中常见的缩略形式,全称为"could not",表示过去时态的否定能力或可能性。以下是该词的详细解释:

    一、基本定义与语法结构 "couldn't"由情态动词"could"和否定词"not"组合而成,用于描述在过去的某个情境中无法实现的动作或状态。例如:

    二、语义解析与典型用法

    1. 能力否定:表示过去缺乏完成某事的体力、技能或条件。例如:
      • He couldn't lift the box because it was too heavy.
    2. 可能性排除:用于推断过去不可能发生的情况。例如:
      • The phone couldn't be hers—she always uses Android devices.
    3. 委婉拒绝:在礼貌对话中表达无法满足请求。例如:
      • I'm afraid I couldn't lend you more money this month.

    三、语言对比与常见错误 需注意与"can't"(现在时否定)的时态区别,以及"couldn't have + 过去分词"结构对过去事件的推测否定。例如:

    四、权威参考依据 根据剑桥词典的语法解析,"couldn't"属于标准英语的正式否定结构,常见于书面和口语表达。牛津英语语法指南特别指出,该缩略形式在疑问句和陈述句中的位置固定,不可拆分使用。

    : 剑桥词典情态动词条目

    : 牛津实用英语语法手册第4章

    网络扩展资料

    "couldn't" 的详细解释如下:


    1. 基本含义与词性


    2. 核心用法与语法规则

    (1) 过去时态中的否定能力或可能性

    (2) 委婉请求或礼貌表达

    (3) 否定推断

    (4) 虚拟语气中的假设


    3. 与“can't”的区别

    区别点 couldn't can't
    时态 过去时(描述过去的能力或可能性) 现在时(描述当前的能力或可能性)
    语气 更委婉、礼貌(用于请求或推测) 直接、明确
    例句对比 I couldn't call you yesterday. I can't call you right now.
    否定推断范围 过去或假设情境 现在或普遍情况

    示例:


    4. 常见搭配与实用场景


    5. 文化语境与延伸意义



    “couldn't” 作为“could not”的缩写,主要用于过去时态的否定表达,涵盖能力缺失、推测否定及礼貌请求等场景。需结合语境区分其与“can't”的差异,尤其在时态和语气上。

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