1
be sb's trump card
常用于比喻优势或关键手段。
His experience was his trump card.
他的经验是他的王牌。
王牌；王牌花色
先理解核心含义，再看它在真实句子里的用法。
王牌；王牌花色
In card games, the suit or a card of the suit that outranks all others.
His experience was his trump card.
他的经验是他的王牌。
王牌花色,在纸牌游戏中胜过所有其他花色的花色
The suit, in a game of cards, that outranks all others.
大象用鼻子发出的声音
The noise made by an elephant through its trunk.
该花色的一张纸牌
A playing card of that suit.
使人占优势的事物,尤指留作后手的东西
Something that gives one an advantage, especially one held in reserve.
Her experience abroad gave her a trump in the job interview.
她出国的经历在求职面试中给了她一张王牌。
The coach still had one trump to play in the final minutes.
在最后几分钟里，教练还有一张王牌可以打。
His greatest trump was the support of the audience.
他最大的王牌是观众的支持。
常用于比喻优势或关键手段。
His experience was his trump card.
他的经验是他的王牌。
He played a trump and won the trick.
他打出一张王牌赢得了这一墩。
意为意外成功，常用于非正式场合。
Despite the odds, our team came up trumps.
尽管困难重重，我们的团队最终取得了成功。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
王牌花色
In this game, spades is the trump suit.
在这个游戏中，黑桃是王牌花色。
打出一张王牌
He played a trump to take the trick.
他打出一张王牌来赢得这一墩。
王牌；杀手锏
The surprise witness was the defense's trump card.
这位意外证人是辩护方的杀手锏。
首攻王牌
In bridge, leading trumps can be a good strategy.
在桥牌中，首攻王牌可能是个好策略。
握有全部王牌；占绝对优势
They hold all the trumps in the upcoming election.
他们在即将到来的选举中占绝对优势。
结果超出预期；出人意料地成功
The risky investment turned up trumps and made a fortune.
这项高风险投资结果出人意料地成功，赚了一大笔钱。
意外成功，结果比预想的好
I didn't think she would finish the project on time, but she came up trumps.
我原以为她不会按时完成这个项目，但她意外地成功了。
掌握所有优势，胜券在握
In these negotiations, they hold all the trumps.
在这些谈判中，他们掌握着所有优势。
打出王牌，使出杀手锏
The lawyer played her trump card and presented the secret evidence.
律师打出了她的王牌，出示了那份秘密证据。
Use trump naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 trump 记成 trumpet（喇叭）的简化：大象用鼻子发出 trump 的叫声，同时 trump 也是手里压轴的“王牌”。
语域：neutral 常见场景：card games、negotiations、competition trump 作名词时，多用于纸牌游戏，指“王牌”或“王牌花色”；由此引申出“占优势的事物、杀手锏”的意思，常见于谈判、竞赛或评论中。整体属中性用法，没有明显的正式或随意色彩。
这些词均以 -ump 结尾，且与 trump /trʌmp/ 押韵：重读元音 /ʌ/ 加上 /mp/。注意形近词：trumpet /ˈtrʌmpɪt/ 和 tramp /træmp/ 与 trump 发音不同，不押韵。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.