the day before yesterday

基本解释

This note to the bank matured the day before yesterday.
這張銀行票據前天到期了。
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.
而且自從前天散步以後她就又難過又憤怒，以致不喫不喝，就因爲我把她從你身旁打發走了，認爲你是不會接受她的。
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.
我們會在今天早上把前天的早飯、前天的晚飯、昨天的早飯、昨天的晚飯，做一頓同時全喫下去。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.
經過一段時間後，你會開始産生置疑，“原來和昨天的感覺一個樣，和之前每一天的感覺都一樣。
耶魯公開課 - 死亡課程節選

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