他们很难在7点以前早早地来到这里。

It's difficult for them to get here much before seven.

《牛津词典》

他几天以前在一次滑雪事故中丧生。

He was killed a few days ago in a skiing accident.

《柯林斯英汉双解大词典》

以前钢铁工业在南威尔士很重要。

Steel used to be important in South Wales.

《牛津词典》

I had not really had a conversation with a person who was out as lesbian or gay before I was in college.

在上大学以前,我从未真正地和一个,出柜的同性恋谈过话。

普林斯顿公开课 - 人性课程节选

I used to have a dog that I would walk in this area a lotwhen he was very young.

我以前有一只狗，它很小的时候，我会经常在这里遛狗。

911事件的影响 - SpeakingMax英语口语达人

Up on the screen, I've got-- I commented it out, but I've got a piece of code that you've seen before, right up here. OK?

我现在在大屏幕上标出来的,是你们以前看过的一段代码,就在这儿？

麻省理工公开课 - 计算机科学及编程导论课程节选