句型:somebody have some difficulties/trouble/problems(in)doing something同义句:I have some difficulties in learning english . I have some problems in learning english .不知difficulty 什么时可数什么时不可数1.困难,艰难(+in)，时是不可数名词 I had no difficulty in getting in touch with him. 我和他取得联系没有什么困难。2.难事,难处,难题，是可数名词 There are a lot of difficulties that have to be overcome. 有许多困难必须克服。5.争论，是可数名词 Labor difficulties grew. 劳工纠纷加剧。