on cue
US /ɑn kjuː/
UK /ɑn kjuː/

1.
op het juiste moment, zoals verwacht
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.
Zodra ik zijn naam noemde, kwam hij op het juiste moment de kamer binnenlopen.
•
The rain started on cue, just as we were about to leave.
De regen begon op het juiste moment, net toen we wilden vertrekken.