the day before yesterday

基本解释

This note to the bank matured the day before yesterday.
这张银行票据前天到期了。
And she has fasted ever since the day before yesterday's walk, from sorrow and rage that I dispatched her out of your society under the idea of its being unacceptable.
而且自从前天散步以后她就又难过又愤怒，以致不吃不喝，就因为我把她从你身旁打发走了，认为你是不会接受她的。
It will mean that we shall have had our breakfast of the day before yesterday, our breakfast of yesterday, our dinner of to-day, and all that at once, and this morning.
我们会在今天早上把前天的早饭、前天的晚饭、昨天的早饭、昨天的晚饭，做一顿同时全吃下去。嘿！

After a while, part of you is going to start asking, "Huh, say, it feels the same as it was yesterday, and the day before that and the day before that.
经过一段时间后，你会开始产生置疑，“原来和昨天的感觉一个样，和之前每一天的感觉都一样。
耶鲁公开课 - 死亡课程节选

We began our visit the day before yesterday with an informal dinner with Secretary Clinton and Secretary Gates.
WHITEHOUSE: President Obama and President Karzai Press Availability
That's why I spent yesterday, the day before yesterday, this past week, this past month, and this past year talking about how we can make the economy stronger.
WHITEHOUSE: President Obama’s Bilateral Meeting with President Aquino of the Philippines The White House