have an ace up one’s sleeve

tv. to have something useful in reserve; to have a special trick available. (Have got can replace have.) I still have an ace up my sleeve that you don’t know about.

Common Names:

Name	Pronounced	Usage
Hiawatha	hie-ə-WAHTH-ə (English)	History, Native American, Iroquois
Garrison	['gærisn]
Darin	DER-in, DAR-in	English
Grier	[griə]
DeasÚN	-	Irish
Agathon	-	Ancient Greek