a day when you do not go to work, school etc because you have a holiday or because you are sick 休息日;休假日
On my days off, you’ll usually find me out in the back garden.
每逢我休假的日子,你通常都可以看到我在后院里。
take/have a day off
I’m taking a few days off before the wedding.
婚礼前我要休几天假。
Examples from the Corpus
take/have a day off• In fact, you can take a day off.• Dad, taking a day off work!• No one at the company is penalized for taking a day off for child care.• Hadn't he taken a day off to go fishing, while Adam busied himself with prospectiveclients?• Hell, when was the last time he took a day off?• Do I take a day off work?• When his fatherdied he felt nothing and had done nothing more than take a day off for the funeral.• He urged me to take a day off and visit him.
From Longman Business Dictionary
day offday ˈoff noun (plural days off) [countableC]
a day when you do not go to work because you have a holiday or because you are sick
On my days off, you’ll usually find me in the garden.