| 释义 |
pin down- 使(某人)把话讲明白；使(某人)表明态度(或意图)；迫使(某人)履行(某种诺言)：
We shall have to pin him down to his promise. 我们将只好迫使他履行诺言。 - 用摁钉别住，按住：
The map is pinned down on the wall. 那张地图被钉在墙上。 - 使受约束；使固定不动：
The man was pinned down by a fallen tree. 那人被一棵倒下的树压住了。 - 确实证明(事实、情节等)；清清楚楚或毫不含糊地说明；准确说明；解释明白[常用于否定句]：
I seem to recognize the quotation, but I cannot pin it down to its author. 这句引文我仿佛见过，但我不能确定它的作者是谁。
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