1.difficulty n.困难,艰难,难事;有可数名词和不可数名词两种用法�
①用作不可数名词,意为"困难、艰难",常用在以下句型中�
have no/find(some, any, much) difficulty with sth./(in) doing sth.�
There is no (some, any, much) difficulty (in) doing sth.�
I had no difficulty in learning English.�
There was much difficulty (in) explaining it to him.�
②用作可数名词,表示具体的困难,意为"难事,难点,困境,难处"。�
This book is full of difficulties.�
In face of so many difficulties, we never appeared to be afraid.