究竟用英语怎么表达

　　电视对儿童究竟有什么影响？

　　What exactly is the influence of television on children?

　　你最后那句话究竟是什么意思？

　　What exactly did you mean by that last remark?

　　关于他们究竟是什么关系，他故意给我们留下错误印象。

　　He deliberately misled us about the nature of their relationship.

　　泄漏究竟是怎么造成的，这一关键问题仍未得到答案。

　　The key question of what caused the leak remains unanswered.

　　究竟什么人能做出这样可怕的事呢？

　　What manner of man could do such a terrible thing?

　　事故究竟是怎么发生的不是很清楚。

　　It's not clear precisely how the accident happened.

　　我究竟怎样才处理得了这么多的工作？

　　How will I ever get on top of all this work?

　　这哭叫声究竟是为啥？

　　What's all this crying in aid of?