an ace in the hole

(American)

an advantage that you have that other people do not know about The local team has an ace in the hole with their new player.

Name	Pronounced	Usage
Aglaea	-	Greek Mythology (Latinized)
Florencio	flo-REN-thyo (Spanish), flo-REN-syo (Latin American Spanish)	Spanish, Portuguese
Katariina	KAH-tah-ree:-nah (Finnish)	Finnish, Estonian
Bekki	-	English (Modern)
Elior	-	Hebrew
Annelien	ahn-nə-LEEN	Dutch