Term: keep oneself to oneself

keep oneself to oneself (idiom): to live a quiet life and avoid spending much time with other people; to be private or unsocial.

synonyms: stay private, be a loner, keep your distance.

pronunciation: /kiːp wʌnˈsɛlf tuː wʌnˈsɛlf/

translation: dzīvot savrupu dzīvi / norobežoties no citiem

example: the neighbors are very quiet and generally keep themselves to themselves, so we don’t know much about them.

other words from this root: self (noun), selfish (adjective), self-contained (adjective).