切り札 (きりふだ) Japanese meaning | Kotomora札
の
ゲーム
だ
。
It's a game where spades are trumps.
Usage patterns
切り札を出すto play one's trump card
He played his trump card at the end and turned the game around.
〈人〉の切り札someone's trump card/secret weapon
This new technology will probably become the company's trump card.
切り札を切るto play/use one's trump card (decisively)
The coach played his trump card late in the match.
〈事〉の切り札として使うto use something as a trump card for a matter
She used that evidence as a trump card in the negotiation.