Never eat chocolate before dinner. 但表示巧克力块、巧克力糖的时候是可数的。比如阿甘正传里那个经典名句:Life is like a box of chocolates, Forrest. You never know what you're gonna get.所以,两盒巧克力应该说 two boxes of chocolates。 cloth 当“布料”讲时是不可数名词,但指“某种具体用途的布”时是可数名词。 a piece of cloth 一块布料 She bought some cloth to make herself a dress. 她买了些布要给自己做一件连衣裙。 a table cloth 一张桌布 Clean the windows with a soft cloth. 用块软布擦窗子。 clothes 指具体的衣物时是复数,不能用 a clothes/ two clothes / three clothes 但 a suit of clothes 指“一套衣服”。 clothes 的含义比较具体 Her clothes are of high quality. 她的衣服质量很好。 Yesterday her mother bought herself a suit of clothes. 昨天她妈妈给自己买了一套衣服。 I changed my clothes. 我换了衣服。 He is washing his clothes. 他在洗衣服。 clothing 衣物的总称,不可数名词,可用作 an article of clothing(一件衣物)。 clothing 的含义则比较抽象。 Those people lack food and clothing. 那些人缺衣少食。 They wear very little clothing. 他们衣服穿得很少。 Our clothing protects us against the cold. 我们的衣服可以御寒。 3 We are well provided with food and clothing. 我们吃得好,穿得好。 convenience 表抽象就是不可数 表具体的就是可数的 We bought this house for its convenience. 我们买下这所房子为的是它方便。 Gas is one of the modern conveniences the newly-built apartment building provides. 这座新造的公寓大楼装有煤气等现代化设备。 danger 1) 危险 (U.) In war, life is full of danger for everyone. 在战争中每个人的生活都充满危险。 The bridge is in danger of collapse. 桥要塌了。 He is now out of danger. 他现在已经脱离危险了。 2. 危害、威胁(C.) Smoking is a danger to health. 吸烟对健康有害。 The bottom line is that no one should be prevented from the Web because of its dangers. education (S.U) He had a good education. 他受过良好的教育。 She completed her education in Switzerland. effort 1.不可数:表示力量和精力。 I can carry it without effort. It's a waste of time and effort 2. 可数:~to do sth 努力,奋斗。 Your effort is bound to be successful. 你的努力一定会成功的。 Despite all our efforts we still lost the game.尽管我们尽了全力,我们还是输掉了比赛。 make an effort to do sth 尽力…… Please make an effort to get there on time. 请尽力按时赶到那里。 The prisoner make no efforts to escape. 那个囚犯没有试图越狱。 expense: n. 消费,支出 ①做可数名词时候的解释于用法: 意为一笔花费时,是可数名词。 A motorcycle can be a great expense. 买一辆摩托车可能要花很多钱。 What are the expenses of moving house? 搬家的花销是多少? ②做不可数名词时候的解释与用法: 意为花费,费用(总称)时,是不可数名词; We can redecorate the room at little expense, if we use this old paint. 我们要是用这种旧漆重新装饰这房间, 就不用花多少【钱】了. We were entertained at the editor's expense. 由编辑付【钱】招待我们. He built up a successful business but it was all done at the expense of his health. 他创建的企业很成功, 但这一切却以损害了他的健康为【代价】 experience 4 You have had much experience in teaching English. 你教英语有很多经验。 Please tell us your experiences in America. 请你告诉我们你在美洲的经历。 food: : 表示单纯的食物时不可数 I'm hungry. I want some food. Books are food for the mind. 书是心灵的食粮。 表示几种食物时可数 We have a lot of foods. Fish, meat, chicken, which one would like? Many sweet foods are on sale in the store. 这家商店在廉价出售多种甜食。 fruit 只表示"水果"是不可数的 There is some fruit on the table. 如果表示水果的"多种多样"那就是可数的 All kinds of fruits are available, including apples, pears, peaches, bananas and oranges. knowledge 一、可数性问题 knowledge 是不可数名词,表泛指时不用冠词;表程度时,可用 a little, some, much 等修饰,但不可用 a few, many 等修饰,更不能用复数形式。如: Knowledge is power. 知识就是力量。 He has much knowledge of music. 他很懂音乐知识。 The door to knowledge is study. 通向知识的大门是学习。 A little knowledge is a dangerous thing. 一知半解是很危险的事。 You’ll find English a bridge to so much knowledge. 你会发现英语是通向如此丰富知识的桥梁。 二、连用不定冠词 非常有趣的是,knowledge 虽为不可数名词,但有时可在其前用不定冠词,以表示某种程度的知识,此 时的不定冠词相当于 some。如: He has a knowledge of history. 他懂点历史。 A knowledge of English is very important. 会点英语是非常重要的。 We’re looking for someone with a good knowledge of German. 我们正在找一个精通德语的人。 三、“英语知识”如何表达 汉语中的“英语知识”、“物理知识”、“历史知识”、“音乐知识”等译成英语是 English knowledge, physics knowledge, history knowledge, music knowledge 等吗?回答是否定的。在英语中,要表示“有关……(学科) 的知识”,通常要用 the knowledge of。如: He is interested in the knowledge of chemistry. 他对化学知识很感爱好。 My knowledge of English is very poor. 我的英语知识很贫乏。 His knowledge of physics is pretty basic. 他的物理知识相当浮浅。 四、“学习知识”如何表达 www.nmet168.com 汉语通常说“学习知识”, 但是在英语中, knowledge 通常不用动词 learn, study 等连用, 而代之以 get, gain, obtain, acquire, absorb 等动词。如: Clever children absorb knowledge easily. 聪明孩子轻易吸收知识。 Step by step we gain knowledge. 我们一步一步地获取知识。 5 After several years’ self-study he gained a lot of knowledge. 经过几年的自学,他学到了不少知识。 以下带介词的表达也类似地表达“学习”: He’s eager for [after] knowledge. 他求知心切。 He has a hunger for [after] knowledge. 他有强烈的求知欲。