play ace

play your ace

to do the thing that you know will bring you success The prosecutor played her ace, the results of the DNA tests on samples taken from the victim's clothing.

Common Names:

Name	Pronounced	Usage
ErzsÉBet	ER-zhay-bet	Hungarian
Mahfuz	-	Arabic
Mack	[mæk]
Zaynab	-	Arabic
Manu (3)	MAH-noo	Finnish
Tommy	['tɔmi]