cast about for的意思|示意
寻找；搜索
cast about for的用法详解
英语单词cast about for的用法讲解
英语单词cast about for的用法是指“搜索，探索，寻找”，相当于用其他单词表达的“摸索/探寻”，常用在“教师让学生寻找”，“让手头的人寻找”等情况下。例如：
The teacher asked the students to cast about for any information they could find.
老师要求学生摸索一下，看能找到什么信息。
cast about for的用法与介词for的用法有一定的区别，它表示“从各个方面搜索”，而for介词则表示“往特定地方搜索”，从语义上看，前者泛泛地搜索，而后者却是具体的某个范围的搜索。例如：
The teacher asked the students to cast about for any information they could find.
老师要求学生从各个方面搜索一下，看能找到什么信息。
The teacher asked the students to search for any information they could find in books.
老师要求学生在书本中搜索一下，看能找到什么信息。
以上就是英语单词cast about for的用法讲解，cast about for这个词组通常用于表示从各个方面搜索，通常情况下不限定搜索对象和搜索范围，而for介词则可以限定搜索范围，在使用时要根据实际情况灵活运用。
cast about for相关短语
1、 cast about for fresh clues 寻找新的线索
2、 cast about for the scent 寻找,猎狗寻找
cast about for相关例句
The teacher cast about for an easy way to explain the lesson.
教师在思考一种简易的方法来解释课文.
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Therefore, ore prospecting was cast about for source bed.
因此, 找矿重点是寻找矿源层.
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I also cast about for some means of warning him.
我也想寻找些方法来警告他.
辞典例句
I cast about for a plausible defense.
不过,我又心有不甘,想找一句话为自己辩护.
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The dog is cast about for its supper.
这条狗正到处寻找它的晚饭呢.
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The suspect cast about for some way of escaping from the police - car.
嫌疑犯在寻求某种方法逃出警车.
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