Meaning of keep it in the family | Babel Free

Definitions

1. To restrict knowledge or information to only the members of a family or another small, intimate group.
   idiomatic
2. To remain loyal to one's family; to retain family ownership of a business for long period of time.
   idiomatic

Examples

“Near-synonyms: keep one's own counsel, keep one's mouth shut, STFU; see also Thesaurus:be quiet”

CEFR level