第一部分

flamboyant[flæm’bɔɪənt]

adj. 艳丽的;炫耀的〈同 showy, ostentatious〉
例 Modern styles of architecture have discarded the flamboyant trimming on buildings and emphasize simplicity of line.
当代建筑风格放弃了华丽的建筑装饰,而强调线条的简洁。

fleeting[’fli:tɪŋ]

adj. 短暂的,飞逝的〈同 transient, temporary〉
例 The appearance of the comet was fleeting.
彗星的出现是转瞬即逝的。
联 fleecy adj. 蓬松的,羊毛似的

flickering[’flɪkərɪŋ]

adj. 闪烁的,摇曳的,一闪一闪的
例 We watched the flickering lights in the distance.
我们看到远处闪烁的灯光。

flint[flɪnt]

n. 打火石
例 He carried a piece of flint when he went hiking just in case he needed to start a fire.
他去徒步旅行的时候带了一块打火石,以便需要生火时使用。

flounder[’flaʊndə(r)]

n. 比目鱼
例 Flounder and sloe are both flat-bodied, but they are entirely different kinds of fish.
比目鱼和鳎目鱼都是扁平的,但它们是完全不同的两种鱼。
vi. 挣扎,艰难地移动〈同 struggle, stumble〉
例 He floundered in the deep water, trying desperately to reach the bank.
他在深水里挣扎,拼命想靠到岸边。

fluffy[’flʌfi]

adj. 绒毛的,松软的〈同 fuzzy, soft〉
例 Baby chicks have fluffy feathers.
小鸡崽有松软的羽毛。

fluorescent[ˌflʊə’resənt]

adj. 荧光的
例 The fluorescent plants in the sea looked like a city at night.
海里的荧光植物看起来就像一座夜间的城市。

flux[flʌks]

n. 变迁;涨潮〈同 conversion; flow〉
例 The bad weather may put your travel plans in a state of flux.
糟糕的天气可能会让你的旅行计划不断改变。联 influx n. 流入

foe[fəʊ]

n. 敌人,敌军〈同 enemy, adversary〉
例 Hitler was an ardent foe of global peace.
希特勒是全球和平不共戴天的敌人。
联 hoe n. 锄头;toe n. 脚趾

foggy[’fɒgi]

adj. 多雾的,模糊的
例 Because of the foggy weather it was difficult to see and more difficult to drive a car.
由于雾天,看清(路)都有难度,开车就更难了。

第二部分

folklore[’fəʊklɔ:(r)]

n. 民间传说
例 Folklore says that a large monster lives at the bottom of the lake and likes to eat little boys and girls, so be careful if you go swimming.
根据民间传说,在湖底住着一只巨大的怪兽,它喜欢吃童男童女,所以在湖里游泳的时候一定要小心。

folly[’fɒli]

n. 愚笨,愚蠢;荒唐事〈同 foolishness, absurdity〉
例 Why are we standing in line in the cold? This is folly!
我们为什么要在大冷天排队?真是愚蠢!
联 foolish adj. 愚蠢的;fool n. 蠢人,傻瓜;foolhardy adj. 有勇无谋的

foment[fəʊ’ment]

vt. 煽动,助长〈同 stir up, instigate〉
例 The radicals set off several bombs in an effort to foment rebellion among the peasants.
为了煽动农民叛乱,激进分子引爆了多颗炸弹。
联 fomentation n. 煽动;ferment n./v.(使)发酵;(使)激动,(使)动乱;incite v. 激动;煽动;instigate vt. 鼓动

footnote[’fʊtnəʊt]

n. 脚注
例 The footnote explained the source of the information in the report.
报告中的脚注解释了信息来源。

forage[’fɒrɪʤ; (US)’fɔ:rɪʤ]

v. 搜寻(食物)〈同 hunt, search〉
例 The deer foraged in the woods for food.
鹿在丛林中寻找食物。
联 forager n. 为动物寻找饲料的人;foliage n. 树叶;植物;pillage n./v. 掠夺;collage n. 抽象拼贴画;leakage n. 漏,泄漏;adage n. 格言,谚语;rage n. 愤怒,情绪激动;forgery n. 伪造物;forgetter n. 健忘者

foray[’fɒreɪ; (US)’fɔ:reɪ]

n. 突袭,偷袭〈同 assault〉
例 Armed bandits made forays into the villages and stole cattle.
全副武装的土匪们突然袭击了村庄,偷走了村里的牛。
联 assault n. 突袭;assail vt. 攻击

forbidding[fə’bɪdɪŋ]

adj. 可怕的,令人难以亲近的,令人生畏的〈同 prohibitive, frightening〉
例 That deserted house looks forbidding on dark and stormy nights.
在黑沉沉的暴雨夜,那栋被废弃的房子看起来令人生畏。

ford[fɔ:d]

n. 浅滩,水浅可涉处
例 Mary usually washed her clothes at the river’s ford.
玛丽通常在河边的浅滩洗衣服。

forebear[’fɔ:beə(r)]

n. 祖先〈同 forefather, ancestor〉
例 His forebears were among the first people to arrive in America.
他的祖先是第一批抵达美洲的人之一。

forefront[’fɔ:frʌnt]

n. 最前沿〈同 cutting edge, front〉
例 Astronomy is the oldest science, but it continues to be at the forefront of scientific thought.
天文学是最古老的科学,但它仍将继续处在科学思想的最前沿。

第三部分

forerunner[’fɔ:rʌnə(r)]

n. 先驱,前身;预兆〈同 predecessor; herald〉
例 Autumn leaves are a forerunner of winter.
秋天的落叶是冬天来临的前兆。

foreshadow[fɔ:’∫ædəʊ]

vt. 成为先兆,预示〈同 predict, foretell〉
例 The dark clouds foreshadowed a rainy day.
乌云预示着雨天的到来。
联 forerunner n. 预示;先驱者;forestall vt. 预先阻止;forebode v. 预示;foreclose v. 排除;取消抵押品的赎回权

forestall[fɔ:’stɔ:l]

vt. 预防,预先阻止〈同 prevent, thwart〉
例 The tall fence forestalled the children from going to the house.
高高的栅栏可以防止孩子们进入那栋房子。
联 install vt. 安置,安装;stall n. 货摊;畜栏

foretell[fɔ:’tel]

v. 预示,预测〈同 predict, forecast〉
例 Seismology has not yet reached the stage that earthquakes can be foretold with a great deal of accuracy.
地震学尚未达到可以非常精确地预测地震的程度。

formation[fɔ:’meɪ∫ən; (US)fɒr’meɪ∫ən]

n. 形成,构成〈同 configuration, pattern〉
例 That cloud formation looks like a person’s head.
那朵云的形状看起来像是一个人头。
联 deformation n. 变形;transformation n. 变化,转化;改革

formative[’fɔ:mətɪv]

adj. 形成中的,发展中的〈同 developmental〉
例 Home and school are the chief formative influences in a child’s life.
在孩子的一生中,家和学校是影响其性格形成的主要因素。
联 informative adj. 使知道消息的,见闻广博的

former[’fɔ:mə(r)]

adj. 从前的,以前的〈同 previous, earlier〉
例 My former students still kept in touch with me through e-mail.
我之前的学生们仍通过电子邮件与我保持着联系。
联 formerly adv. 从前,以前

fortress[’fɔ:trəs]

n. 要塞;城堡〈同 fort〉
例 A citadel, a fortress designed for the defense of a city, usually stands on top of a hill.
一座堡垒,即为了保卫一座城市而设计的要塞,通常位于山顶上。
联 forte n. 特长;fortify v. 增强

fortuitous[fɔ:’tju:ɪtəs; (US)-‘tu:-]

adj. 偶然的,意外的〈同 serendipitous, accidental〉
例 After not seeing or contacting each other for ten years, their bumping into each other in the street was fortuitous.
他们有十年没见过面了,也没有任何联系,因此在大街上相遇纯属偶然。

fray[freɪ]

vi. 磨损,磨破〈同 wear out, rub〉
例 My shoelaces frayed after months of use.
用了几个月之后,我的鞋带磨烂了。
n. 吵架或打架,冲突〈同 quarrel, brawl〉
例 Everyone involved in the fray was caught by the police.
参与打架的所有人都被警方逮捕了。
联 fret v.(使)烦恼;defray vt. 支付,支出;foray v. 袭击;flay vt. 剥皮,去皮;pray v. 祈祷,祈求;stray vi. 迷路,偏离

第四部分

frenetic[frə’netɪk]

adj. 狂乱的,发狂的〈同 crazy, wild〉
例 As he was preparing for his exams, he became more and more frenetic.
他在准备考试的过程中,变得越来越烦躁。
联 fanatical adj. 狂热的;盲信的

frenzy[’frenzi]

n. 狂暴;狂怒〈同 rage, madness〉
例 In a frenzy, the teenager overturned every drawer while searching for the car keys.
陷入狂乱的少年,打翻了所有抽屉来寻找车钥匙。

fresco[’freskəʊ]

n. 壁画
例 Beautiful frescoes covered the walls and ceiling of the cathedral.
大教堂的墙壁和天花板上覆盖着美丽的壁画。

freshly[’fre∫li]

adv. 新近,最近〈同 recently〉
例 The freshly baked bread is delectable.
新鲜出炉的面包非常美味。
联 freshness n. 新鲜;活力

frivolity[frɪ’vɒləti]

n. 轻浮〈同 flippancy〉
例 The frivolity of the girl gave the teacher a bad impression.
那个女孩的轻浮给老师留下了非常差的印象。
联 frivolous adj. 轻浮的;frivol vt. 糟蹋,浪费 vi. 虚度日子;fro adv. 往,去;向后

frugal[’fru:gəl]

adj. 节约的,节俭的〈同 sparing, thrifty〉
例 My parents are frugal; they buy and use carefully only what they need.
我的父母非常节俭;他们只购买需要的东西,并且会小心使用。
联 frugality n. 节俭,俭省

furry[’fɜ:ri]

adj. 毛皮的;盖着毛皮的〈同 hairy〉
例 Australian koalas are furry, gray animals that live in eucalyptus trees and feed on the leaves.
澳大利亚的考拉是一种住在桉树上、以桉树叶为食物的毛茸茸的灰色动物。

fuss[fʌs]

n. 忙乱;大惊小怪
例 The grumpy old man always made a big fuss out of nothing.
那位性情乖戾的老人总是没有缘由地大发脾气。
联 fussy adj. 为琐事而担忧的;爱挑剔的,难取悦的

gallantry[’gæləntri]

n. 勇敢〈同 bravery〉
例 He was awarded a medal for gallantry in action.
他因为行动中的勇敢行为而荣获一枚奖章。
联 gallant adj.(对女子)殷勤的;勇敢的,英勇的

gallop[’gæləp]

n./v.(马)急驰〈同 run〉
例 They rode across the field at a gallop.
他们骑着马飞快地穿过田野。
联 galloper n. 骑马奔驰的人;飞驰的马;gallon n. 加仑(容量单位);galloot n. 愚笨的人;gollop n./v. 大口吞咽