trump card

英 [ˈtrʌmp kɑːd]

美 [ˈtrʌmp kɑːrd]

n. 王牌; 绝招; 杀手锏

牛津词典

noun

王牌；绝招；杀手锏
something that gives you an advantage over other people, especially when they do not know what it is and you are able to use it to surprise them

noun

a playing card in the suit that has been declared trumps
1. the ace of trumps is a sure winner
Synonym:trump

Jack showed his trump card at the last minute.
杰克在最后一刻打出了王牌。
His trump card played, captain lmrie rested his case.
在打出了王牌之后，伊姆里船长便静候分晓。
I'll play my trump card in the final round.
在最后一局我会出王牌。
Curviness is the trump card.
但是曲线美才是王牌。
Ultimately we hold the trump card that no new treaty to evolve a closer union of eurozone states can be agreed without our consent.
最后，英国还有一张王牌：没有英国的同意，欧元区国家结成更紧密联盟的新条约就无法通过。
Not many people know it but shutting up can be the trump card in a lot of situations.
不是每个人都知晓这一点，但沉默在很多场合下的确是最好的王牌。
Now it's time that you played your trump card.
现在是你摊王牌的时候了。
Jobs are the trump card.
就业是一张王牌。
The United States also needs to help people adjust to change, so that it can maintain its greatest trump card: openness to trade, investment, people, and ideas.
美国还需要帮助民众适应变化，以便确保它的最大优势：对贸易、投资、民众和观念的开放。
We always adhere to customer-centered, high-quality products for the "trump card";
公司始终坚持以客户为中心，以高品质的产品为“王牌”；