a day off的用法和樣例：
例句
- A day free from work that one may spend at leisure; a day off.
假日人們可不工作而享受閑暇的日子; 休假 - He got off on the wrong foot when he asked the boss for a day off after working there only a week.
他在那裡工作了一周以後就要求上司讓他休一天假，真是一開始就給人不良印象。 - I'll have a day off next week.
下周我有一天假。 - Can I have a day off?
我能請一天假嗎？
