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
Bonaventure	bawn-ə-VEN-chər (English)	History
My	-	Swedish
Lochan	-	Indian, Hindi
Regulus	-	Ancient Roman
RadomiŁA	rah-daw-MEE-wah	Polish
Tajana	-	Croatian, Serbian