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

Now it's time that you played your trump card.
现在是你摊王牌的时候了。
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。
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。
The US faces special pressures in an election year, but it holds the trump card.
美国在选举年面临特殊压力，但是它手里握着王牌。
The candidate still has one more trump card to play.
候选人手里还有一张王牌。
Henry is the trump card of France.
亨利是法国队中的皇牌。
'What's her trump card?
什么是她的王牌呀？
When his father refused to let him have his own way, the child played his trump card by crying.
看到爸爸没有如自己的意，那孩子便使出绝招，哇的一声哭了起来。
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。
She could threaten to play her trump card, an autobiography of embarrassing disclosures.
她可能会威胁要拿出她的杀手锏：出自传来爆料糗事。