have a difficulty (in) doing sth 或者 have difficulties doing sth你好，你說的對(duì)。 have some difficulties with sth have difficulty in doing sth 不同的短語形式，一個(gè)意思。difficulty在做下面意思時(shí)是不可數(shù)的: 1.困難,艱難: I had no difficulty in getting in touch with him. 我和他取得聯(lián)系沒有什么困難。 在下面幾種意思時(shí)是可數(shù)的: 2. 難事,難處,難題 There are a lot of difficulties that have to be overcome. 有許多困難必須克服。 3. 爭(zhēng)論 Labor difficulties grew. 勞工糾紛加劇。 在以下意思時(shí)本身就是復(fù)數(shù)形式: 4. (尤指財(cái)務(wù)上的)困境;危難 The new government is in financial difficulties. 新政府財(cái)政困難。 5. 異議,反對(duì) He keeps raising difficulties over the new project. 他對(duì)這項(xiàng)新工程不斷地橫加阻撓。 參考資料: Dr.eye譯典通字典