nail down

• He is not going to be nailed down to a definite reply
  他不准备明确答复，以免受到约束。
• Signing the contract will nail down our agreement
  在合同上签字将使我们的协议成为定案。
• She nailed down the corners of the carpet
  他用钉子把地毯的四角钉死。
• Were you able to nail down an argument
  你们确定出了一个论点没有？
• It take the negotiator 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。
• Every time i think i have things nailed down , i just lose it
  每次我以为我明确了什么事情但总是失败
• 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？
• We should sign a contract with them to nail down their agreement
  我们应该与他们签订契约以敲定协议。
• 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。
• 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。