come up trumps
US /kʌm ʌp trʌmps/
UK /kʌm ʌp trʌmps/

1.
取得意想不到的成功, 大獲全勝
to produce a good and unexpected result, especially when it is needed
:
•
When we needed extra funds, the charity event really came up trumps.
當我們急需額外資金時,慈善活動真的取得了意想不到的成功。
•
Despite the initial difficulties, the team came up trumps and won the championship.
儘管最初遇到困難,但團隊取得了意想不到的成功並贏得了冠軍。