It's about time

US /ɪts əˈbaʊt taɪm/
UK /ɪts əˈbaʊt taɪm/
"It's about time" picture
1.

是時候了, 早就該了

used to say that something should have happened sooner or that it is already late

:
It's about time you cleaned your room!
是時候了,你該打掃房間了!
After waiting for an hour, it's about time the bus arrived.
等了一個小時,是時候了,公車該來了。