up (one's) sleeve

Of a plan or advantage, kept in secret so it can be utilized if and when it is required. A reference to cheating at a card game by hiding a favorable card up one's sleeve My stamina is the ace up my sleeve for this race—the other runners don't stand a chance! I've got a few tricks up my sleeve if he decides to pursue legal action against me.

Common Names:

Name	Pronounced	Usage
Lule	-	Albanian
Johnathon	JAHN-a-than	English
Iria	-	Portuguese, Galician
Cvijeta	TSVEE-e-tah	Croatian, Serbian
Kerr	[kə:]
Ghyslain	-	French (Rare)