nail down
英 [neɪl daʊn]
美 [neɪl daʊn]
弄清; 确定; 确定（协议）
柯林斯词典
- PHRASAL VERB 弄清;确定
If younail downsomething unknown or uncertain, you find out exactly what it is.- 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。
- It would be useful if you could nail down the source of this tension.
- PHRASAL VERB 确定(协议)
If younail downan agreement, you manage to reach a firm agreement with a definite result.- 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。
- The Secretary of State and his Russian counterpart met to try to nail down the elusive accord.
- PHRASAL VERB 钉牢;钉住
If younailsomethingdown, you fix it firmly onto something.- 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。
- Lay strips of 4mm ply over the mesh and nail these down with panel pins.
英英释义
verb
- make final
- let's finalize the proposal
- define clearly
- I cannot narrow down the rules for this game
- succeed in obtaining a position
- He nailed down a spot at Harvard
双语例句
- Objective: to nail down manpower allocation of prevention and control of hepatitis B in CDC in cities and counties.
前言：目的：明确我国地（县）级疾病预防控制中心乙肝防制工作人力配置需要。 - It take the negotiator ten hour to nail down a deal
参加协商的人花了十个小时才敲定一桩生意 - If I do, then I may not want to or need to nail down the details.
如果是，那么我就不想做更多了，或者需要明确一些细节。 - 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。 - 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。 - He stayed another week, trying to nail down train tickets beyond Kuibyshev.
他又呆了一个星期，设法弄到比古比雪夫更远的火车票。 - Signing the contract will nail down their agreement.
签署合同将使他们的协议肯定下来。 - Similarly, by partnering with PetroChina, shell can nail down a customer nation determined to wean itself off coal.
同样，通过与中石油携手收购，壳牌就可敲定一个决心摆脱对煤炭依赖的客户国。 - 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？ - 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。