come up trumps
取得巨大成功或取得意想不到的胜利；在困境中展现出惊人的才能或效果
口语·表示出人意料地成功或获胜
英文释义
to succeed or achieve a positive outcome, often unexpectedly or against expectations
例句
The underdog team came up trumps and won the championship.
典故来源
源自纸牌游戏桥牌，trump意为王牌，打出王牌获胜，比喻出人意料地成功。