Barding Difficulty是什么意思啊?

Barding Difficulty是什么意思啊? policy,difficulty是不可数? difficulty是可数还是不可数 difficulty是可数还是不可数名词 difficulty是可数还是不可数举例说明, difficulty是可数名词或是不可数名词 是have little difficulty?还是have some difficulty?为什么？有什么区别？ have a difficulty in doing something difficulty 是不可数的吗?in 可不可以省略? 是face difficulty,we didn't give in还是facing difficulty,we didn't give in difficulty可数吗高中改错题：I have some difficulty with the use of the language.difficulty是可数的,但为什么不把它改成复数? have some difficulty 是用单数还是用复数 是have difficulty doing sth还是have difficult doing sth? 请问做某事有困难的短语是：have some difficulty in doing sth.中的difficulty能不能用difficulties difficulty是什么意思 Difficulty是什么意思 Did you have any difficulty in learning English last year为什么difficulty在这句话中有时复数又是单数?到底怎么回事啊? 关于difficulty的用法请问difficulty既是可数又是不可数吗?在什么情况下用作可数,在什么情况下用作不可数? With difficulty choice是 麻烦帮我解释一下这个句子!我不懂……