钉牢; 用钉子钉住（某物）; 迫使（某人）作出决定，讲明意图[采取行动]
ph.
1. We should sign a contract with them to nail down their agreement.
我们应该与他们签订合同，把协议确定下来。
2. It took the negotiators ten hours to nail down a deal.
参加协商的人花了十个小时才敲定一桩生意。
3. She nailed down the corners of the carpet.
他用钉子把地毯的四角固定住。
nail down的反义词
1. 用钉钉住：nail down to 束缚 | nail down 用钉钉住 | nail file 指甲锉
2. 达成协议,做成生意：192. make both ends meet 收支平衡 | 193. nail down 达成协议,做成生意 | 194. another nail in your coffin 有害健康,危及生命的东西 coffin nail 香烟
3. 明确,确定(做法、协议等)：multipolar world 多极世界 | nail down 明确,确定(做法、协议等) | neutrality 中立地位
4. 钉牢：nail cutters ==> 指甲剪 | nail down ==> 钉牢 | nail drawer ==> 拔钉钳
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1. 弄清;确定
If you nail down something unknown or uncertain, you find out exactly what it is.
e.g. 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。
2. 确定(协议)
If you nail down an agreement, you manage to reach a firm agreement with a definite result.
e.g. 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。
3. 钉牢;钉住
If you nail something down, you fix it firmly onto something.
e.g. 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。
1. McLaren has also said it wants him to stay and is not in any hurry to nail down a new contract.
2. So as China races to nail down market standards throughout its industries, translators are calling for professional standards.
3. US government support helped Morgan nail down a critical deal that many investors had feared could fall apart.
4. We have repeatedly read reports of " nail households " who refuse to have their houses torn down until their demands for compensation are met by developers.
5. Kind of funny how only the Germans and Chinese have been able to nail down that nasty sentiment in their respective languages.
6. nail down的解释
6. The Scripps team hopes the samples they gathered during the trip nail down answers to questions of the trash's environmental impact.
7. danci.911cha.com
7. WHO is now in China to help nail down exactly what happened.
8. " To construct more power generators does not nail down all problem, " said Zhang.
9. " To construct more power generators does not nail down all the problems, " said Zhang.
10. danci.911cha.com
10. The human and ecological tolls of the explosion are equally difficult to nail down.
verb
1. make final
put the last touches on
put into final form
e.g. let's finalize the proposal
Synonym: finalize finalise settle
2. define clearly
e.g. I cannot narrow down the rules for this game
Synonym: pin down peg down narrow down narrow specify
3. succeed in obtaining a position
e.g. He nailed down a spot at Harvard