英语长难句解析（帮你理清句子结构）

In spite of the fact that the police had warned them of the danger in the ancient cave， these young men still made an attempt to explore it.

译文：尽管警方已警告这些年轻人洞里的危险，他们仍尝试勘探古洞。

1.主干：these young men still made an attempt to explore it

2.In spite of=despite，固定短语。意思是“尽管”。

3.that the police had warned them of the danger in the ancient cave是that引导的同位语从句。

4.warn sb. of sth.警告某人某事。固定短语。

5.make an attempt to do sth.企图做某事。