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

• 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。
• 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。
• Sophomore year is a time to narrow down your academic focus and decide on the college major.
  大二要开始缩小学术研究关注的范围，选定大学的主攻专业了。
• We cannot assume that everybody will watch the game, we have to narrow down the major characteristics of our target audience.
  我们不能设想每个人都观看比赛，我们必须缩小目标受众的主要特点。
• Answering these questions will help narrow down a set of domains that you are excited about.
  回答这些问题将有助于缩小自己感兴趣的领域。
• Meantime, I'm gonna narrow down that list.
  这其间，我会缩小名单范围。
• 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。
• I cannot narrow down the rules for this game.
  我不能限制这场比赛的规则。
• If you can narrow down this list, you should.
  如果可以缩减列表，应该尽量缩减。
• However, there are some key points in a JCC trace that we will discuss later that will help you to narrow down a problem.
  然而，JCC跟踪中还是有几个关键的地方值得我们在后面加以讨论，它们有助于缩小问题的范围。