an action or event that is a signal for sb to do sth 暗示；提示；信号
~ (for sth)
Jon’s arrival was a cue for more champagne.
乔恩一来就意味着要喝更多的香槟酒了。
~ (to do sth)
I think that’s my cue to explain why I’m here.
我想这就是要我解释一下我为什么到这里来。
a few words or an action in a play that is a signal for another actor to do sth （戏剧的）提示，暗示，尾白
She stood in the wings and waited for her cue to go on.
她站在舞台侧面等待着出场的提示。