on cue

at the correct moment

恰是時候

right on cue the door opened.

門適時地開了。

take one's cue from

follow the example or advice of

學…的樣；聽從…的建議

McGee did not move and Julia took her cue from him.

麥吉沒有動，朱莉婭也學他的樣。

cue (someone) in

To give information or instructions to (a latecomer, for example).

提供信息，提供指示：給（后來者等）提供消息或指示