lips are sealed, one's

One will reveal nothing, especially about a secret. For example, You can trust me with the details of the lawsuit-my lips are sealed. [Early 1900s]

Name	Pronounced	Usage
Mikhaila	mə-KAY-lə	English (Rare)
Lalit	-	Indian, Hindi, Marathi
Stephen	STEEV-ən (English), STEF-ən (English)	English, Biblical
Agmundr	-	Ancient Scandinavian
Joetta	-	English
Ben	[ben]