on cue
US /ɑn kjuː/
UK /ɑn kjuː/
1.
恰好, 适时
if something happens on cue, it happens just after someone has said or thought that it would happen
:
•
As soon as I mentioned his name, he walked on cue into the room.
我刚提到他的名字，他恰好走进了房间。
•
The rain started on cue, just as we were about to leave.
雨恰好在我们准备离开时下了起来。