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

'What's her trump card?
什么是她的王牌呀？
Curviness is the trump card.
但是曲线美才是王牌。
The opponent has to play his trump card to secure his third trick.
对方只好打出将牌以赢得第三墩牌。
Spatial sound reproduction, the loudspeaker's trump card ever since, is noticeably more three dimensional and offers a much larger spatial image.
音场表现是这对喇叭的王牌，它可以营造出一个更加立体的三度空间音场，空间感也更为广阔。
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”；
It is always good to enter negotiations with a trump card.
手握一张王牌去谈判总是件好事。
Henry is the trump card of France.
亨利是法国队中的皇牌。
I'll play my trump card in the final round.
在最后一局我会出王牌。
Nor can we any longer fall back on our historical trump card of geographic isolation.
我们也不再能依靠天然屏障的历史王牌。
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。