cue

CUE noun

uk/kjuː/ us cue noun
(SIGNAL)

a signal that tells someone to start speaking or doing something when acting in a play, film, etc

сигнал для реплики или действия актера
 on cue
If something happens on cue , it happens at exactly the right time.

точно вовремя
Then, right on cue , Andrew appeared at the door.
 take your cue from sb/sth
to copy what someone else does

брать пример с кого-либо
I took my cue from the others and left. cue noun