1·One of those days, I wore a sweatshirt and slacks. A student came in and his eyes widened.
有一天，我穿着一件运动衫和一条休闲裤。一个学生走了进来，眼睛睁得大大的。
2·It's been one of those days!
这一天真倒霉！
—— 《牛津词典》
3·It was just one of those days!
这就是事事不顺心的那么一天！
4·It was just one of those days.
它只是那些数天之一。
5·Today was one of those days.
今天就是这样的一天。
6·Is it going to be 'one of those days'?
难道今天要成为糟糕的一天？
7·Nothing . It's just one of those days.
没什么，今天真倒霉的一天。
8·One of those days is none of these days.
过去的某一天，不是现在的任一天。
9·On one of those days, I received a visitor.
有一天我见到了一名来访者。
10·Not too long ago I was having one of those days.
不久前，我就有过这么一天。