play a trump

• 拿出王牌

play a trump的用法和样例：

例句

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。
2. She is a person who would set the world on fire.
   她是那种会做出惊人之举引起轰动的人。