Unit 4

□ knack

□ harem

□ whiff

□ lone

□ quotidian

□ annul

□ theorem

□ flunk

□ corrode

□ dossier

□ frolicsome

□ vermin

knack [næk]

【考法】 N-COUNT A knack is a particularly clever or skillful way of doing something successfully, especially something which most people find difficult. 诀窍；本领

【例句】 He's got the knack of getting people to listen.

他有使人倾听的本领。

harem ['hærəm]

【考法】 N-COUNT If a man, especially a Muslim, has several wives or sexual partners living in his house, they can be referred to as his harem. （尤指伊斯兰教徒的）妻妾，女眷

【例句】 A long, plump, pillowed sofa stretched the length of one wall, and upon it four women were disposed like odalisques in a harem .

一张松软带靠垫的长沙发沿墙放着，四个女人像穆斯林闺房中的妇女一样散坐在上面。

whiff [hwɪf, wɪf]

【考法】 N-COUNT If there is a whiff of a particular smell, you smell it only slightly or only for a brief period of time, for example, as you walk past someone or something. （气味等）微弱的一阵

【例句】 The TV show had the whiff of hypocrisy and pomposity.

这个电视节目有些伪善和夸耀的嫌疑。

lone [loʊn]

【考法】 ADJ If you talk about a lone person or thing, you mean that they are alone. 孤身的；单独的；独自的

【例句】 A lone woman motorist waited for six hours for help yesterday because of a name mix-up.

一位女性独自驾车者昨日因名字弄混等待了6个小时才得到救援。

quotidian [kwoʊ'tɪdiən]

【考法】 ADJ-GRADED Quotidian activities or experiences are basic, everyday activities or experiences. 日常的； 普通的；寻常的

【例句】 the minutiae of their quotidian existence

他们日常生活中的琐事

annul [ə'nʌl]

【考法】 VERB If an election or a contract is annulled, it is declared invalid, so that legally it is considered never to have existed. 废除，取消（合同等）；宣告（选举等）无效

【例句】 Opposition party leaders are now pressing for the entire election to be annulled .

反对党领导人现正强烈要求宣告这次选举无效。

theorem ['θiərəm]

【考法】 N-COUNT A theorem is a statement in mathematics or logic that can be proved to be true by reasoning. （数学、逻辑上的）定理

【例句】 So, what does the divergence theorem say?

那么散度定理究竟讲的是什么？

flunk [flʌŋk]

【考法】 VERB If you flunk an exam or a course, you fail to reach the required standard. 在（考试）中不及格； 未通过（某一课程）

【例句】 Your son is upset because he flunked a history exam.

你儿子心烦意乱是因为没有通过历史考试。

corrode [kə'roʊd]

【考法】 V-ERG If metal or stone corrodes, or is corroded, it is gradually destroyed by a chemical or by rust. （使）腐蚀；（使）侵蚀

【例句】 He has devised a process for making gold wires which neither corrode nor oxidize.

他设计了一种能够避免腐蚀或氧化的金丝制作流程。

dossier ['dɔsieɪ]

【考法】 N-COUNT A dossier is a collection of papers containing information on a particular event, or on a person such as a criminal or a spy. 档案；卷宗；资料汇编

【例句】 The company is compiling a dossier of evidence to back its allegations.

公司正汇编一份证据材料来支持指控。

frolicsome ['frɑlɪksəm]

【考法】 ADJ given to frolicking; merry and playful 嬉戏的；快活的；爱闹着玩的

【例句】 In the not too distant future, when the pup had grown lanky and frolicsome —the wolf would return to the mountainside.

在不远的将来，当小狗崽长到可以四处奔跑嬉戏的时候——狼会回到山坡。

vermin ['vɜrmɪn]

【考法】 N-PLURAL Vermin are small animals such as rats and mice which cause problems to humans by carrying disease and damaging crops or food. （对人类）有害的动物；害兽；害虫

【例句】 From 1066 to the 17th century the fox was looked upon as vermin .

从1066年到17世纪，狐狸一直被视为害兽。 ZVOtU6YXfZgH53FKcCbjIUYcqP+1HQkbKKc1OEKtuwnc8zJkteBYyouxoCG23seF