究竟发生了什么，细节仍旧不详。

Details of what actually happened are still sketchy.

《柯林斯英汉双解大词典》

我是指，究竟发生了什么？

I mean, just what is happening here?

youdao

究竟发生了什么，我们还没有确切的消息。

We have no exact idea what happened.

youdao

You may view the land from a distance, but you shall not enter it the land that I am giving to the Israelite people.So what happened at Meribath-kadesh that made God so angry?

我所赐给以色列人的地，你可以远远看见,却不得进去那么在米利巴水究竟发生了什么,使上帝这样愤怒？

耶鲁公开课 - 旧约导论课程节选

I need to catch a taxi. What happened?

我得搭出租车去了。究竟发生了什么？

Must 实战 - SpeakingMax英语口语达人

Who is the serpent? What is he doing? What's going on?

究竟这条蛇是什么来历，它做了什么，发生了什么？

耶鲁公开课 - 旧约导论课程节选