to nail down
01
钉牢, 用钉子固定
to secure something in place by using nails
语法信息
形态构成
短语
动作动词
规则
可分离
小品词
down
基本动词
nail
现在时
nail down
第三人称单数
nails down
现在分词
nailing down
一般过去时
nailed down
过去分词
nailed down
例子
The carpenter will nail down the shingles on the roof this afternoon.
木匠今天下午将钉牢屋顶上的木瓦。
02
敲定, 达成协议
to finally come to an agreement or decision
例子
After weeks of discussions, the team managed to nail down the details of the project plan.
经过数周的讨论，团队终于敲定了项目计划的细节。
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
We need to nail down their commitment to the project before moving forward.
在继续之前，我们需要确定他们对项目的承诺。
