pin-down

常见例句

• She's a difficult person to pin down.
  她这人行事、说话没个准儿。
• 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。
• He's a difficult man to pin down.
  他是个不易就范的人。
• He refused to be pinned down on the question.
  他拒绝对这个问题明确表态。
• She' s a difficult person to pin down.
  她这人行事、 说话没个准儿.
• Jeff is a difficult person to pin down.
  杰夫这个人说话办事没个准儿。
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