have a silver tongue

To be particularly eloquently and/or artfully persuasive in speech. He might not have much experience in politics, but he's got a silver tongue and is bound to win over a great deal of voters on his charismatic speeches alone.

Common Names:

Name	Pronounced	Usage
Jed	JED	English
Lola	['ləulə]
Hyam	-	Hebrew
Narciso	nahr-CHEE-so (Italian), nahr-THEE-so (Spanish), nahr-SEE-so (Latin American Spanish)	Italian, Spanish, Portuguese
Vassily	vah-SEE-lee	Russian
Shannah	SHAN-ə	English (Rare)