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
Cathrine	-	Swedish, Norwegian, Danish
RuairÍ	-	Irish
Mordad	-	Persian Mythology
BjØRn	BYUURN	Norwegian, Danish
Hroderich	-	Ancient Germanic
Fridumar	-	Ancient Germanic