In this case, the sleeper agent is activated or made to go into action when he's shown this playing card, this Queen of Diamonds, and given instructions about the next person he's supposed to kill.

在这种情况下，当他出示这张扑克牌， 这张方块皇后， 并给出关于他应该杀死的下一个人的指示时， 卧铺特工被激活或开始行动。

In this case, whenever he sees the playing card of the Queen of Diamonds, which is one of the cards you would use to play a game like poker for example, then he does whatever is suggested.

在这种情况下， 每当他看到钻石女王的扑克牌时，这是你用来玩扑克等游戏的牌之一， 然后他会做任何建议。