difficult of accomplishment是什么意思？

difficult of accomplishment

难完成的，难以实现的

difficult

adj. 困难的，难做的，难解的，不易相处的；

例句
It is a difficult job and they should be paid accordingly...
这是份棘手的工作，他们应得到相应的报酬。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

accomplishment

n. 成就，完成，技能，履

例句
His function is vital to the accomplishment of the agency's mission.
要完成该机构的使命，他的作用至关重要。