1. 困难的，难懂的　 needing a lot of effort, skill, etc.; hard to do, make, understand, or deal with; not easy
2. 不易相处的，难满足的　 hard to deal with; not easy to please or persuade

　～ country〔ground〕　丘陵地区
　～ language　困难的语言
　～ position　艰难的境况
　～ problem　困难的问题
　～ sound　难发的音
　how ～　多么困难
　rather ～　很难
　too ～　太难了
　administratively ～　行政上困难，管理艰难
　alarmingly ～　惊人地难，困难得使人惊恐
　conspicuously ～　明显地难，突出地困难
　curiously ～　异常艰难
　desperately ～　极端困难，极艰难
　dishearteningly ～　困难得使人失去信心，难得使人失望
　evidently ～　显然艰难，明显地难
　formidably ～　困难得难以克服地，令人生畏地困难
　impossibly ～　困难得不可能存在，艰难得不会发生
　intricately ～　错综艰难
　naturally ～　自然困难，当然难弄
　obviously ～　显然可见地困难，明显难弄
　overwhelmingly ～　不可逾越地难，难以战胜地困难
　particularly ～　特别难，非常艰难
　patently ～　显然地困难，明白地难弄
　peculiarly ～　特别难，罕见地艰难
　perplexingly ～　困难得使人困惑，艰难
　physically ～　确确实实地困难，的确难弄
　relatively ～　比较困难，相对艰难
　seriously ～　严重困难，很艰难
　strangely ～　异常地艰难，极困难
　supremely ～　最困难，极艰难
　tremendously ～　极困难，非常艰难
　unbelievably ～　困难得令人难以相信
　be ～ for sb to do sth　对某人来说做…是困难的
　be ～ in　在…方面难
　(be) ～ of　难地，不易
　man ～ of access　难以接近的人
　object ～ of attainment　不易达到的目的
　be ～ of definition　难以下定义
　be ～ of explanation　难以解释
　be ～ of proof　难以证明
　be ～ of solution　难以解决
　be ～ to sb　对某人来说难

　English is a difficult language to learn.　英语是一门难学的语言。
　Mathematics is regarded as a difficult subject.　数学被人认为是难科目。
　He is absorbed in the calculation of that difficult maths problem.　他全神贯注地在算那道数学难题。
　The teacher gave us an explanation of the difficult point.　老师向我们清楚地解释了这个难点。
　If you think that the repair is going to be a difficult job, we'll just have to call in a builder.　如果你认为这项修理工作很困难的话，我们就得去请个建筑工人来了。
　He is hardly capable of executing such a difficult task.　他几乎不可能完成这样困难的任务。
　He bore himself with dignity under such difficult circumstances.　他在如此艰难的环境中仍然保持了自己的尊严。
　Though their task was a difficult one, their revolutionary zeal and perseverance carried them through.　虽然他们的任务艰巨，但他们的革命热情和坚韧不拔的精神帮助他们克服了一切困难。
　The old man bears the difficult days of the past in mind.　老人牢记过去的艰难岁月。
　He has always been a difficult child.　他一直是个闹人的孩子。
　He is a difficult poet.　他是一个不好懂的诗人。
　She's a difficult woman to get on with.　她是个不易相处的妇女。
　He was in a very difficult position.　他当时处境十分尴尬。

　I appreciate the task will be long and difficult.　我懂得这项任务是长期而艰巨的。
　When you get down to it, it isn't so difficult.　当你开始认真对待事情时，事情就不难。
　Unloading the boxes is hard; inspecting them is even more difficult.　把盒子卸下来是费劲，检查它们则是更困难的。
　The calculation was difficult but we finally cracked it.　计算起来很费劲，但我们终于解决了。
　Don't be so difficult!　不要那么不随和！
　We had hoped that we would be able to leave tomorrow, but it's beginning to look difficult.　我们原希望明天可以出发，但是这事开始显得困难起来。
　Nothing is difficult to a man who wills.　世上无难事，只怕有心人。

　It was difficult of proof.　这事难以证明。
　The theory is difficult of explanation.　这学说难以解释。
　It was difficult of solution.　这问题难以解决。
　The summit of the mountain is difficult of ascent.　这山顶难以攀登。

　The question is difficult to answer.　这个问题难以回答。
　The task is difficult to do.　这项任务很难完成。
　The place is difficult to live (in).　这地方难以居住。
　The emotionally disturbed are difficult to treat.　情绪病患者很难医治。
　The patient was difficult to manage, but the nurse dealt with him all right.　这个病人很难管理，但是护士把他护理得很好。
　He is difficult to satisfy.　他很难得到满足。

　It's very difficult to dig into the cliff.　挖进崖石是非常困难的。
　It is difficult to arrange their difference.　他们的分歧很难调解。
　It is difficult to choose between such two nice houses.　两幢房子都这么漂亮，让人难以作出抉择。
　During my illness I got behind in my school work, and now it is difficult to catch up.　我生病期间功课拖下了，现在很难赶上。
　It's so difficult to get a chance.　得到机会如此不易。
　It is difficult to get them all together under one roof.　把他们都聚集到一起是很不容易的。
　It was difficult to get the pole over the hedge.　要把这根竿子传递过树篱很困难。
　It's difficult to carry on a conversation at a noisy party.　在闹哄哄的聚会上，很难进行交谈。
　It is difficult to forgive anyone for cruelty.　任何人的粗鲁是很难被原谅的。
　It is difficult to adjust one's habits to someone else.　一个人很难调整自己的习惯以适应其他人。
　It's difficult to talk to her, because she is hard of hearing.　跟她说话很难，因为她听觉不灵。
　It is difficult to adapt oneself to sudden changes of temperature.　一个人很难使自己习惯于突然变化的气温。
　It is difficult for me to teach.　教书对于我是件不容易的事。
　It is difficult for me to do the task.　要我完成这项任务是困难的。
　It is difficult for you to learn English.　对你来说，学英语是有困难的。
　It was difficult for her to fight back her tears.　她很难忍住眼泪。
　I think it's not difficult for him to get a word in edgeways, because all the chatterboxes are not here.　我想他插上话并不难，因为那些喜欢饶舌的人都不在。
　It was difficult for me to decide which one to buy.　对我来说很难决定买哪一个。
　It's rather difficult for a cocky person to be on good terms with others.　一个傲慢的人要和别人很好地相处，那是很难的。

　I found English difficult at first.　起初我发觉英语难学。
　That made the subject difficult of investigation.　那使这问题不易探讨。
　She got across the headmaster, who made life very difficult for her.　她得罪了校长，校长就让她日子不好过。
　I find it difficult to adapt myself to the climate here.　我觉得自己难适应这儿的气候。
　The modern children find it difficult to conceive of a time when there was no radio or TV.　今天的儿童很难设想没有收音机和电视机的时代是什么样子。
　His awkward speech made him difficult to understand.　他那蹩脚的讲演很难让人听懂。

 ♣ difficult, hard
　这两个词均可表示“困难的”，其区别是：difficult是较正式的用词，主要指智力方面的困难，多意味着“复杂”“难以处理”“难以了解”“需要智慧或技巧”; hard是口语用词，主要是指体力方面的困难，多意味着“不易做”。试比较：

 ♣ 下面三个句子的意思相同：

1. 这个句子难理解。
　［误］ The sentence is difficult to be understood.
　［正］ The sentence is difficult to understand.
　［析］ difficult用作表语，其后如用动词不定式，一般用主动结构，而不用被动结构。
2. 他学习语言很吃力。
　［误］ He is very difficult to learn languages.
　［正］ It's very difficult for him to learn languages.
　这篇文章对我来说很难懂。
　［误］ I am difficult to understand the article.
　［正］ It's difficult for me to understand the article.
　［析］ difficult表示“难的，困难的”，一般用来指物，不以“人”作主语，并且须用"It is/was difficult for sb to-v”的结构。

　difficult　可和being连用，表示“故意作出来的”。例如：
　She is being difficult.　她是在故意刁难。

　［同义词］ fussy, grim, hard, obscure, painful, steep, stiff, ticklish, tough, trying
　［反义词］ easy, straightforward
　［词源］　拉丁语difficilis（困难的，艰难的）