difficult所有形式：名词形式是difficulty，复数形式是difficulties。

Young people today face a very difficult future at work.如今的年轻人面临着充满困难的工作前景。It was a difficult situation, when you think about it.仔细想来，当时处境是很困难的。Children can be difficult as we know only too well.小孩子往往很难对付，对此我们都非常清楚。

difficult它本身是一个形容词的形式，它可以修饰名词，它的汉语意思是困难的，它的副词形式是difficulty.它的汉语意思是困难地。它可以修饰动词，形容词，还可以修饰副词本身。一个固定搭配，It is difficult for somebody to do sth.对于你意思是说做某事对某人来说是困难的。