英 [ˈtrʌmp kɑːd]
王牌；决定性因素；可靠的人
a playing card in the suit that has been declared trumps
同义词： trump
王牌，将牌
4/52×48/的概率取得一个(A)空缺的第一张牌，第二张牌的王牌(Trump card)是48/52×4/·下一个次序是沿路增加两个概率。 0.0724 + 0.
撒手锏(Trump card)：最关头的是，书籍是改造灵魂的工具，滋补光明的养料。这4名球员还全都是进球好手！
to turn up trump to play one's的trump card(打出王牌)， to turn up trump(
王牌（最有效的谋略）
The administration knows that's their trump card and will keep playing it as long as they can.
政府知道那是他们的王牌，会尽可能长久地使用它。
The trump card is the Andes mountain range.
王牌是安第斯山脉。
The propagandists' trump card "wreck our brilliant health care system".
宣传者的王牌“破坏了我们卓越的医疗保健系统”。
the other is that the only trump card they have is a nuclear fuel and they would like to use that to maximize humanitarian assistance, economic assistance they would like to get,"
VOA : standard.2009.11.04
The debt ceiling vote is a Republican trump card that has the backing of American voters.
FORBES: Debt Ceiling Vote Is Republican Leverage For Budget Reform
"The struggling economy could be Obama's trump card, " CNN Senior Political Researcher Alan Silverleib noted.
Kumaratunga's trump card has been to offer the Tamils regional autonomy in the north and east.