句型:somebody have some difficulties/trouble/problems(in)doing something同義句:I have some difficulties in learning english . I have some problems in learning english .不知difficulty 什么時可數(shù)什么時不可數(shù)1.困難,艱難(+in)，時是不可數(shù)名詞 I had no difficulty in getting in touch with him. 我和他取得聯(lián)系沒有什么困難。2.難事,難處,難題，是可數(shù)名詞 There are a lot of difficulties that have to be overcome. 有許多困難必須克服。5.爭論，是可數(shù)名詞 Labor difficulties grew. 勞工糾紛加劇。