这东西你是多久以前买的？

How long ago did you buy it?

《牛津词典》

你上次看见她是多久以前的事？

How long ago is it that you last saw her?

youdao

医生：那是多久以前？

Doctor: And that was how long ago?

youdao

这是多久以前的事？

How long ago was this?

youdao

我不清楚那是多久以前发生的事。

I don't know how long ago that happened.

youdao

你们宣称地球是平的是在多久以前？

How long ago was it he was declaring the Earth flat?

youdao

她多久以前离开的？二十分钟前？

When did she leave? Twenty minutes ago?

youdao

您上次来这个酒店是多久以前？

When is the last time you visited the hotel in the past?

youdao

多久以前，几个月前还是几年以前？

How long ago? A few months or a few years?

youdao

杰克：多久以前？

Jake: How long ago?

youdao

凯伦：那是何时，多久以前？

Karen: When was it? How long?

youdao

杰克：多久以前？几个月还是几年以前？

Jake: How long ago? A few months or a few years?

youdao

事故到底是多久以前发生的？

How long ago was it that the accident happened?

youdao

这些照片是多久以前拍的？

How old are the photos?

youdao

第一次赛跑是多久以前？

How long ago was that first race?

youdao

这是多久以前的事呀？

How long since is (was) it?

youdao

那是多久以前的事了？

How long ago was that?

youdao

多久以前你让我去吗？

How long before you let me go?

youdao

那是多久以前的事呢？

How long ago is it?

youdao

短笺是尼古拉·特斯拉写的，海伦最后一次见到他是多久以前？

The note is from Nikola Tesla, whom Helen last saw about how long ago?

youdao

“你以前住在那里吗？”—“没住多久。”

"Did you live there?"—"Not for long."

《柯林斯英汉双解大词典》

请问以前可以发吗？这种情况持续多久了？

Can you deliver text before? How long has it been like this?

youdao

那都是一千年以前的事了，妈，你还打算记恨多久。

That was a thousand years ago, Mom. How long are you gonna hold the grudge?

youdao

在你关上窗户以前，雨下多久了？

How long had it been raining before you closed the window?

youdao

在你关上窗户以前，雨下多久了？

How long had it been raining before you closed the window?

youdao