keep the sabbath

Translations
соблюдать субботу
Someone always tries to keep the sabbath holy.
Кто-то всегда старается соблюдать субботу свято.
Definitions
To observe and honor the Sabbath, a day of rest and worship, typically observed on the seventh day of the week (Saturday) in Judaism and on Sunday in Christianity, by refraining from work and engaging in spiritual activities.