[ + to infinitive ] They started washing up, so that was our cue to leave the party.
他們開始洗刷碗碟了,這就是暗示我們該離開派對了。
I was just wondering where Sarah was, when, right on cue, she came in.
我正奇怪薩拉去哪了,恰在這時,她就進來了。
She watched his lips carefully and took her cue from him.
她緊盯著他的嘴唇,照他的吩咐行事。