count down

US /ˈkaʊnt daʊn/
UK /ˈkaʊnt daʊn/
"count down" picture
1.

倒計時

to announce the numbers in reverse order to zero, especially before the launch of a rocket or the start of an event

:
The engineers began to count down the final minutes before liftoff.
工程師們開始倒計時發射前的最後幾分鐘。
We're going to count down from ten to zero.
我們將從十倒數到零。
2.

倒數, 翹首以盼

to eagerly await an event

:
The children are counting down the days until Christmas.
孩子們正在倒數聖誕節的到來。
I'm counting down to my vacation next month.
我正在倒數下個月的假期。