to nail down
[phrase form: nail]
01
钉牢, 用钉子固定
to secure something in place by using nails
例子
Last weekend, we nailed the new carpet down in the living room.
上个周末，我们在客厅里钉牢了新地毯。
02
敲定, 达成协议
to finally come to an agreement or decision
例子
After hours of debate, they finally nailed a solution down.
经过数小时的辩论，他们终于敲定了一个解决方案。
03
获得明确的回答, 确保承诺
to make someone give a clear and definite answer or commitment
例子
Let 's aim to nail down their response by the end of the day.
让我们争取在今天结束前敲定他们的答复。
