trump card

ریشه

Originates from card games where a 'trump card' is a card of a suit any of whose cards will win over a card that is not of this suit.

مثال

• He played his trump card at the last minute by revealing new evidence.
• The new product could be the company's trump card in the competitive market.
• She kept her trump card hidden until the final round of the game.

ترکیب‌های رایج

Play a trump card Hold a trump card Keep a trump card Reveal a trump card