play our trump card

• vi. 打出王牌(使出绝招)

play our trump card的用法和样例：

例句

用作不及物动词 (vi.)

1. As losses mount in the euro zone, capital may trump liquidity in determining credit growth.
   随着欧元区的损失增加，资本可能打出王牌，决定信贷中的流动资金。