pin down
确定
常用释义
英式发音
美式发音
基本释义
- 迫使某人作出明确陈述或决定：迫使（某人）就某事作出明确陈述或决定。
- 确定（某事）：确定（某事）的确切时间或来源。
例句
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1·It has taken until now to pin down its exact location.一直到现在才确定了它的准确位置。来源: 《柯林斯英汉双解大词典》
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2·He set out with an apparently simple aim: to pin down the precise meaning of the concept of "information".他的出发点显然很简单：确定“信息”这个概念的确切含义。
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3·Inspired by Halley's suggestion of a way to pin down the scale of the Solar System, teams of British and French astronomers set out on expeditions to places as diverse as India and Siberia.受哈雷提出的确定太阳系大小的方法启发，英国和法国天文学家团队开始在印度和西伯利亚等地考察。
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4·The cause of the disease is difficult to pin down precisely.病因目前还难以解释清楚。来源: 《牛津词典》
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5·Mr Obama's views are hard to pin down.奥巴马先生的观点则很难确定。
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6·But it is always hard to pin down.但这始终是难以确切说明。
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7·Other causes are harder to pin down.其它原因就很难下定论了。
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8·I almost knocked the bowling pin down.我几乎要把这堆保龄球瓶打倒了。
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9·Culture is a difficult concept to pin down.文化是一个非常难讲清楚的概念。
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10·You must pin down every quotation to its author.你一定要确定每一条引文的作者是谁。