difficulty可数与不可数

with difficulty 困难地；吃力地 have difficulty 有困难 in difficulty 处境困难 degree of difficulty 难度系数，难度 have difficulty in 对…有困难；在某方面有困难 technical difficulty 技术性的困难 without difficulty 容易地；毫不费力地 financial difficulty 财政困难；资金困难 difficulty in breathing 呼吸困难 difficulty level 难度水平，难易度 learning difficulty 学习困难 have difficulty with 与…有分歧，相处不好；感到困难

这个不好说