1.（在口语中用于强调事实）的确，真实地，事实上

There are lots of people there who can actually help you.那里有很多人可以真正帮上你的忙。

解答：actually 修饰谓语动词can help 

It's not actually raining now.其实现在并没有下雨。

解答：actually 修饰谓语动词is not raining

2.（表示想法与事实不一致因而惊奇）居然，竟然

It was actually quite fun after all.这居然还很有趣。

解答：actually 修饰谓语动词was quite fun

3.（礼貌地纠正他人）实际上，事实上

They're not married, actually.他们实际上没有结婚。

解答：actually 修饰前面整个句子，相当于 Actually, they are not married

4.（礼貌地引起注意、转换话题、直言）确实，说实在的

Actually, I'm busy at the moment—can I call you back?说实在的，我这会儿正忙。我可以给你回电话吗？

解答：actually 修饰前面整个句子，陈述一种观点看法和态度