'Where is that boy?' As if on cue, Simon appeared in the doorway.

“那男孩在哪里？”西蒙像是接到了信号一样刚好出现在门口。

I get down to a certain card and I am stumped, so I will leave a space waiting for that card to appear on cue.

当我看到某张牌时，我被困住了，所以我会留出空间，等待那张牌恰好出现。

The horses reacted as if on cue.

马像得了信号一样地起了反应。

On cue, the father felt something.

恰好在这时候，父亲感觉到了什么。

Actors have a few tricks to help them cry on cue.

演艺圈的人们有一些技巧，可以帮助他们在剧情需要时流泪。