Example
“Their trump card was the patent portfolio, saved for the final round.”
Dictionary details
Related idioms
Expressions connected by reviewed component words or topic tags.
hold all the cards
Neutral · CEFR C1
to be in a position of complete control in a negotiation
lay your cards on the table
Neutral · CEFR C1
to be completely honest about your intentions or position
ace in the hole
Neutral · CEFR C1
a secret advantage kept hidden until it is needed
ace up your sleeve
Neutral · CEFR C1
a hidden advantage kept in reserve
stay the course
Neutral · CEFR B1
to continue with a plan despite difficulties or doubt
test the waters
Neutral · CEFR B1
to try something cautiously before committing fully to it
Source methodology
Meanings, register, CEFR, and examples come from the reviewed dictionary record. Expression notes may describe a reviewed present-day word picture or a background note; they are not presented as verified etymology.