play your ace 打出王牌、使出绝招 Do not play your ace in the hole until the critical moment. 不到关键时刻不要亮出你的绝招。 The general decided to play his ace and send in the tanks. 将军决定使出绝招,派坦克参加战斗。 微信或QQ扫一扫 #英语习语 随机一篇