- (also trump card)[countable]
(in some card games) a card that belongs to the suit (= one of the four sets in a pack of cards) that has been chosen for a particular game to have a higher value than the other three suits （某些纸牌游戏的一张）王牌，主牌，将牌 Oxford Collocations Dictionarytrump + noun- card
- suit
- trumps[uncountable + singular or plural verb]
(in some card games) the suit that has been chosen for a particular game to have a higher value than the other three suits （某些纸牌游戏的）王牌花色，主牌花色 Oxford Collocations Dictionarytrump + noun- card
- suit
Word Originearly 16th cent.: alteration of triumph, once used in card games in the same sense.
Idioms
come up/turn up trumps
to do what is necessary to make a particular situation successful, especially when this is sudden or unexpected 打出王牌；做有助于获得（意外）成功的事 I didn't honestly think he'd pass the exam but he came up trumps on the day. 说实话我以为他考试及不了格，但是那天他发挥出色，考得不错。 Just when we thought there was no hope, my parents turned up trumps with a large loan. 就在我们认为没有希望的时候，我父母拿出了一大笔贷款。