nail down

英 [neɪl daʊn]

美 [neɪl daʊn]

弄清; 确定; 确定（协议）

法律

柯林斯词典

• PHRASAL VERB 弄清;确定
  If younail downsomething unknown or uncertain, you find out exactly what it is.
  1. It would be useful if you could nail down the source of this tension.
     如果你能弄清这种紧张的根源，将会大有益处。
• PHRASAL VERB 确定(协议)
  If younail downan agreement, you manage to reach a firm agreement with a definite result.
  1. The Secretary of State and his Russian counterpart met to try to nail down the elusive accord.
     美国国务卿和俄罗斯外交部长进行了会晤，试图敲定这项难以达成的协议。
• PHRASAL VERB 钉牢;钉住
  If younailsomethingdown, you fix it firmly onto something.
  1. Lay strips of 4mm ply over the mesh and nail these down with panel pins.
     把4毫米厚的胶合板条铺在网子上，然后用镶板钉钉牢。

英英释义

verb

• make final
  1. let's finalize the proposal
  Synonym:finalizefinalisesettle
• define clearly
  1. I cannot narrow down the rules for this game
  Synonym:pin downpeg downnarrow downnarrowspecify
• succeed in obtaining a position
  1. He nailed down a spot at Harvard
  Synonym:nailpeg

双语例句

• The latter is characterized by the inability to nail down requirements up front, making it necessary to continually adapt and re-estimate as a project progresses.
  后者的特征是没有事先明确了解需求的能力，因而需要随项目的进展不断地调整适应和重新评估。
• If we could just nail down a few more contracts, we'd be all right.
  我们如果能再确定几个契约就好了。
• One is that the mainstream media are inexorably being dragged toward the Twitter, or news agency, model of constantly publishing and updating information, and away from the traditional approach of waiting for a while to nail down what is clearly true.
  一是主流媒体被无情地拉向Twitter或连续发布和更新信息的典范&新闻通讯社，而告别等待一段时间以确认事实的传统方式。
• The investment side of ROI can be easier to nail down than the return, as it boils down to what it costs to build and maintain the software product.
  相对于回报来说，ROI的投资这一边更容易被固定下来，这是由于它归结为建立和维护软件产品的费用。
• The goal is to work out all the unknowns and nail down all the details before the first line of code is written.
  目的就是为了在第一行代码写下前，将所有不明确的东西明确并细化下来。
• The Secretary of State and his Russian counterpart met to try to nail down the elusive accord.
  美国国务卿和俄罗斯外交部长进行了会晤，试图敲定这项难以达成的协议。
• Why is it considered necessary to nail down the lid of a coffin?
  为什么非要用钉子把棺材的盖子钉住？
• When the country is on-call for your nuptials, it's less important to nail down what you really want.
  如果国家对你的婚礼能随时准备好，就不用太确定你真正需要什么。
• "Law of contract" in the286~ ( th) substantively stipulates the construction project priority, but this stipulation doesn t nail down the quality of this right.
  《合同法》第286条实质上规定的是建设工程优先权的内容，但该条规定并未明确其权利的性质。
• Starting with the frame list keeps the storyboard organized and helps you nail down the step-by-step outline before delving into the details of each frame or sketch.
  以框架列表开始可以使故事板有组织，而且还可以帮助你钻研每一框架或者示意图细节之前确定一步步的纲要。