keep (one's) own counsel

Translations
держать (свои) мысли при себе
She tends to keep her own counsel and rarely shares her thoughts.
Она склонна держать свои мысли при себе и редко делится ими.
Definitions
To keep one's thoughts, opinions, or plans to oneself and not share them with others.
Words
keep

verb
хранить
one's

article or possessive pronoun
свой
own

adjective
собственный
counsel

noun
мнение