to firm up
[phrase form: firm]
01
敲定, 确定
to make a plan, agreement, or decision more definite or secure
例子
We must firm the arrangements up quickly for the conference.
我们必须迅速敲定会议的安排。
02
变硬, 稳固
to make a soft or unstable substance become more solid or stable
例子
Allow the concrete to firm up before removing the mold.
在拆除模具之前让混凝土凝固。
