Details of what actually happened are still sketchy.

究竟发生了什么，细节仍旧不详。

《柯林斯英汉双解大词典》

Her version of events is subtly different from what actually happened.

她对事件的描述跟实际发生的情况有些微妙的出入。

《牛津词典》

What actually happened was disappointing.

实际发生的事情令人失望。

youdao

Instead she says what actually happened is probably closer to the much milder 1957 or 1968 pandemics.

VOA: standard.2010.01.18

Well there actually was a stock market in Russia before 1918 and in China before 1949, so what happened to investors?

实际上,俄罗斯在1918年前,中国在1949年前设有股票市场,那么投资者会得到怎样的回报呢

耶鲁公开课 - 金融市场课程节选

What's happened actually if we base it in the last 25 years since the early '80s We've just had two recessions and they've been very mild by historical standards and...two--now three long expansions in between.

实际上是什么情况呢,80年代初期以来，这25年当中,我们只经历过两次经济衰退,而且在历史上算是相对轻微的,其间则是两，三次长时间的经济增长。

斯坦福公开课 - 经济学课程节选

But at the end of the day, I've got to look at what actually happened.

NPR: New Orleans Family Heads North

And the U.S. said that they are investigating what actually happened on the day.

NPR: Anti-West Riots, Resurgent Taliban Roil Afghanistan

In the end, you and the committee will have to determine what actually happened.

CNN: CIA says Pelosi knew about waterboarding; she says no