difficulty

1. She spoke with difficulty. (EED) 她说话很困难。

2. I don't have much difficulty with English Grammar. (Eckersley) 我在英语语法方面没有多大困难。

B. 当 difficulty 用于指具体的困难、难处、难点时, 它是一个可数名词, 既可以与不定冠词连用, 也可以以复数形式出现:

1. He paused as though he found a difficulty. (Wells) 他停了下来,似乎发现了一个难点。

2. The book is full of difficulties. (ALD) 这本书充满了难点。