on cue

US /ɑn kjuː/
UK /ɑn kjuː/
"on cue" picture
1.

في الوقت المناسب, كما هو متوقع

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.
بمجرد أن ذكرت اسمه، دخل في الوقت المناسب إلى الغرفة.
The rain started on cue, just as we were about to leave.
بدأت الأمطار في الوقت المناسب، تمامًا عندما كنا على وشك المغادرة.