narrow down

英 [ˈnærəʊ daʊn]

美 [ˈnæroʊ daʊn]

缩减; 压缩; 减小

柯林斯词典

• PHRASAL VERB 缩减;压缩;减小
  If younarrow downa range of things, you reduce the number of things included in it.
  1. What's happened is that the new results narrow down the possibilities...
     现有的情况是，新的结果缩小了可能性的范围。
  2. I've managed to narrow the list down to twenty-three.
     我已设法把清单上的项目压缩到了23项。

英英释义

verb

• become more focus on an area of activity or field of study
  1. She specializes in Near Eastern history
  Synonym:specializespecialisenarrow
• define clearly
  1. I cannot narrow down the rules for this game
  Synonym:pin downpeg downnail downnarrowspecify

双语例句

• They are just able to narrow down the scope.
  只能把范围缩小一点而已。
• I'd appreciate any more information regarding the alleged, so we can narrow down who is funding thier actions. I have my suspicions based on who they are not attacking.
  如果有更多信息关于这些嫌疑的话我会很感谢，这样我们能缩小范围，知道是谁滋长了他们的行动。我都已经在怀疑他们还有谁没有攻击过。
• Once the nearest marker has been found, techniques based on the mapping of chromosomes may be used to narrow down the location of the gene.
  一旦找到了最近的标记，基于染色体作图技术，可以用于紧接着的下一个基因的位点的测定。
• The emergency maintenance periods are to restore stability while we continue to narrow down the cause of the problems.
  周期性的紧急维护阶段是恢复服务器的稳定性，同时我们可以缩小问题产生原因的范围。
• Used effectively, these tools will help you narrow down performance issues and help pinpoint root causes.
  有效的使用这些工具将帮助您减少性能问题，并且也能帮您查明根本原因。
• Narrow down your activities to one or two to keep things in check.
  控制一下，把你的活动压缩到一两项。
• Naturally, it makes sense to narrow down the set of documents first and then evaluate the relevant subset.
  一种合理的做法是先缩小文档集的范围然后再计算相关的子集。
• He or she may have a hundred from which to narrow down a handful of interviewees.
  或许他需要从几百名中的应聘者中筛选出几位。
• Of course, you still select the brand if you know it to narrow down the product list.
  当然，如果您知道产品品牌，则仍可以选择该品牌来缩小产品列表范围。
• If you can narrow down this list, you should.
  如果可以缩减列表，应该尽量缩减。