热心网友
difficult是指needing skill or effort; not easy例句： a difficult problem/choice/task/languagehard 是指difficult to understand, do, experience or deal with例句： There were some really hard questions in the exam. It's hard to say which of them is lying. Her handwriting is very hard to read.
热心网友
作“困难的”讲时没有多大的区别。但是HARD还有其他的解释。