使受约束, 把...别住(或钉牢), 阻止, 压制, 使明确说明, 证实

pin down的用法和样例:

例句

  1. You must pin down every quotation to its author.你一定要确定每一个引文的作者是谁。
  2. All work must answer the specifications laid down.全部工作必须符合确定的规格。
  3. The speaker faces his opponent down.演讲者用目光压住了对手。
  4. The robbers weighted the box down with stones and dropped it into the river.盗贼们用石头压住箱子,把它沉到河里去了。

词汇搭配

  • pin down确定
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