【doubt的用法及短语】在英语学习中,“doubt”是一个常见的词,常用于表达怀疑、不确定或对某事的真实性产生疑问。它既可以作为名词使用,也可以作为动词使用。掌握“doubt”的不同用法和常见搭配,有助于提高语言表达的准确性与自然度。
以下是对“doubt”的用法及常用短语的总结:
一、doubt 的基本含义
- 名词(n.):怀疑、疑惑、不确定
- 动词(v.):怀疑、对……表示怀疑
二、doubt 的用法总结
类型 | 用法 | 例句 | 说明 |
名词 | express doubt | I have some doubt about his honesty. | 表达对某人的诚实性的怀疑 |
名词 | in doubt | She is still in doubt about the decision. | 对某个决定感到犹豫 |
动词 | doubt + that 从句 | I doubt that he will come. | 表示对某事发生的可能性怀疑 |
动词 | doubt + whether / if 从句 | I doubt whether it will rain. | 表示对某事是否发生有疑问 |
动词 | doubt + 宾语 | He doubts her words. | 直接对某人说的话表示怀疑 |
短语 | have no doubt | I have no doubt that he is guilty. | 表示完全相信某事 |
短语 | be in doubt | They are in doubt about the next step. | 对下一步行动不确定 |
短语 | cast doubt on | The evidence casts doubt on his innocence. | 表示对某事的真实性提出质疑 |
短语 | raise doubt | The new data raises doubt about the theory. | 引发对某理论的怀疑 |
三、注意事项
1. doubt 作为动词时,通常不与 “if” 连用,而多用 “whether”。
- 正确:I doubt whether he will come.
- 错误:I doubt if he will come.
2. 在否定句中,可以用 “that” 引导宾语从句。
- I don’t doubt that he is honest.
- I don’t doubt that she can do it.
3. doubt 作为名词时,前面可以加 “a lot of / some / no” 等限定词。
- There is a lot of doubt about the results.
- We have no doubt about their success.
四、常见搭配总结表
短语 | 含义 | 例句 |
have no doubt | 毫无疑问 | I have no doubt he will win. |
in doubt | 不确定 | I’m still in doubt about the plan. |
cast doubt on | 质疑、引起怀疑 | The report casts doubt on the policy. |
raise doubt | 引发怀疑 | New findings raise doubt about the study. |
express doubt | 表达怀疑 | She expressed doubt about the decision. |
通过以上内容,我们可以看到,“doubt”不仅是一个简单的“怀疑”词汇,其在不同语境下的使用方式也较为丰富。掌握这些用法和短语,有助于我们在实际交流中更准确地表达自己的想法和观点。
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