be tight-lipped

1. to have an angry expression Dad was harassed and tight-lipped and I thought he was going to lose his temper.

2. to not give any information about something (usually + about ) Army spokesmen are tight-lipped about planned operations.

Name	Pronounced	Usage
Bernard	['bə:nəd]
Katharina	kah-tah-REE-nah (German, Swedish)	German, Swedish, Norwegian, Danish
Langston	['læŋstən]
Proteus	-	Greek Mythology
Herring	['heriŋ]
Quim	-	Portuguese, Catalan