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C2 noun /ˈfɪlɪɡri/

filigree

精致的装饰工艺，通常由金或银制成
Meaning
delicate ornamental work of fine wire, usually of gold or silver
Example
The necklace was decorated with intricate gold filigree.
项链上装饰着精致的金质镶嵌工艺。
C2 noun /ˈfaɪər.brænd/

firebrand

煽动者
Meaning
a person who is passionate about a cause, often inciting change or action
Example
The activist was a true firebrand, inspiring everyone around him to join the protest.
这位活动家是真正的煽动者，激励着周围的每个人参加抗议。
C2 noun /ˈflæɡ ˌɒfɪsər/

flag-officer

旗官
Meaning
a senior naval officer entitled to fly a flag to mark the command
Example
The flag-officer reviewed the fleet before the ceremony.
旗官在仪式前检查了舰队。
C2 noun /ˈflɪpənsi/

flippancy

轻率
Meaning
lack of seriousness; showing a disrespectful or trivial attitude
Example
His flippancy during the meeting offended his colleagues.
他在会议中的轻率让同事们感到不悦。
C2 adjective /ˈfʌŋɡəs/

fungous

像真菌一样
Meaning
relating to or resembling a fungus
Example
The damp basement had a fungous smell.
潮湿的地下室有一种像真菌一样的气味。
C2 noun /feɪt/

fete

节日，庆典
Meaning
a celebration or festival, often in honor of someone
Example
The village held a grand fete to celebrate the harvest.
村庄举行了盛大的节日庆典来庆祝丰收。
C2 adjective /fəˈlɪsɪtəs/

felicitous

恰当的, 合适的或令人愉快的; 由好运或幸福标志
Meaning
well-chosen, appropriate, or pleasing; marked by good fortune or happiness
Example
She made a felicitous remark that lightened the mood.
她做了一个恰到好处的评论，使气氛轻松了。
C2 noun /ˈfʊl.krəm/

fulcrum

支点
Meaning
The point or support on which a lever pivots; a central or essential point of activity or support.
Example
The teacher became the fulcrum of change in the school.
老师成为了学校变革的支点。
C2 verb /flɪt/

flit

飞来飞去
Meaning
to move quickly and lightly from one place to another
Example
Butterflies flitted from flower to flower.
蝴蝶在花间飞来飞去。
C2 verb /ˈfæmɪʃ/

famish

挨饿
Meaning
to suffer or cause to suffer from extreme hunger
Example
The stranded hikers began to famish after several days without food.
困住的徒步旅行者在没有食物的几天后开始感到饥饿。
C2 adjective /ˈfɛstəl/

festal

节日的，庆祝的
Meaning
relating to a festival or celebration
Example
The hall was decorated in a festal manner for the wedding.
婚礼的大厅被装饰得节日气氛十足。
C2 noun /ˈfɔːθ.raɪt.nəs/

forthrightness

直率
Meaning
The quality of being honest and straightforward; directness.
Example
Her forthrightness made her a respected journalist.
她的直率使她成为一名受人尊敬的记者。
C2 verb /ˈfɒn.dəl/

fondle

抚摸
Meaning
To stroke or caress lovingly or gently.
Example
She fondled the kitten gently in her lap.
她轻柔地抚摸着她膝盖上的小猫。
C2 verb /fleɪ/

flay

剥皮/严厉批评
Meaning
to strip off the skin of something or criticize severely
Example
The chef flayed the fish before cooking it.
厨师在烹饪前剥去了鱼的皮。
C2 verb /flɛdʒ/

fledge

飞翔
Meaning
To develop wing feathers large enough for flight; to bring up until able to fly.
Example
The young birds will fledge in a few weeks.
年轻的鸟将在几周内学会飞行。
C2 adjective /ˈflæs.ɪd/

Flaccid

软弱的; 无力的; 松弛的;
Meaning
soft and limp; lacking firmness; drooping
Example
The plant's leaves became flaccid after days without water.
在没有水的几天后，植物的叶子变得软弱无力。
C2 noun /ˈfæn.feər/

fanfare

盛大场面, 宣传
Meaning
a short ceremonial tune or display of publicity to attract attention
Example
The new product was launched with much fanfare.
新产品在盛大场面下发布。
C2 adjective fɔːˈtjuː.ɪ.təs

fortuitous

偶然的
Meaning
Happening by accident or chance rather than design; lucky or fortunate.
Example
Their meeting was purely fortuitous.
他们的相遇完全是偶然的。
C2 noun /ˈfetiʃ/

fetich

费蒂什
Meaning
an object believed to have magical powers or to be inhabited by a spirit
Example
The villagers treated the statue as a powerful fetich.
村民把雕像视为一个强大的费蒂什。
C2 adjective fəˈleɪ.ʃəs

fallacious

虚假的
Meaning
Based on false reasoning or misleading arguments.
Example
His argument was based on fallacious reasoning.
他的论点是基于虚假的推理。
C2 adjective /ˈfʌndʒəbl/

fungible

可替代的
Meaning
interchangeable; able to replace or be replaced by another identical item
Example
In finance, money is considered a fungible asset.
在金融领域，钱被视为一种可替代资产。
C2 noun /fɔːn/

faun

法恩（神话生物）
Meaning
a mythological creature that is half human and half goat
Example
The sculpture depicted a playful faun dancing in the forest.
雕塑描绘了一个在森林里跳舞的顽皮法恩。
C2 adjective/noun /fɪˈduː.ʃi.er.i/

fiduciary

信托的
Meaning
Involving trust, especially with regard to the relationship between a trustee and a beneficiary.
Example
Banks have fiduciary duties towards their clients.
银行对客户有信托责任。
C2 adjective /ˈfraʊzi/

frowzy

邋遢
Meaning
Unkempt, messy, or having a musty, unpleasant smell.
Example
He entered the room with a frowzy appearance after sleeping on the couch.
他在沙发上睡觉后，以邋遢的外貌走进了房间。
C2 adjective /ˈflæb.i/

Flabby

松软且松弛; 缺乏紧实或肌肉张力; 虚弱
Meaning
soft and loose; lacking firmness or muscle tone; weak
Example
His flabby arms showed he needed to exercise more.
他松弛的手臂显示他需要更多的锻炼。
C2 adjective /ˈfraɪəbl/

friable

脆弱
Meaning
Easily crumbled or reduced to powder.
Example
The old brick wall was friable and broke apart at a touch.
那堵老砖墙是脆弱的，轻轻一碰就破裂了。
C2 verb /ˌfɔːrɔːrˈdeɪn/

foreordain

预定
Meaning
to determine or decree something in advance; to predestine
Example
Some believe that our lives are foreordained by fate.
一些人相信我们的生活是命运预定的。
C2 noun /ˈfɔːrkɔːrt/

forecourt

前庭
Meaning
an open area in front of a large building, especially a petrol station or hotel
Example
The car was parked in the hotel forecourt.
车停在酒店的前庭里。
C2 noun /ˈfʌriər/

furrier

毛皮商人
Meaning
A person who prepares or deals in furs.
Example
The furrier displayed fine coats in his shop.
毛皮商人在他的店里展示了精美的大衣。
C2 adjective /ˈfrɛtfəl/

fretful

焦虑的
Meaning
Feeling or showing distress or irritation.
Example
The baby was fretful all night and could not sleep.
宝宝整晚都很焦虑，无法入睡。
C2 noun /ˌfoʊ.mənˈteɪ.ʃən/

fomentation

煽动，激起
Meaning
The action of instigating or stirring up; also the application of warm substances to the body to ease pain.
Example
His speech led to the fomentation of violence in the region.
他的演讲导致了该地区暴力的激化。
C2 noun /ˈfeɪ.tə.lɪ.zəm/

fatalism

宿命论
Meaning
the belief that all events are predetermined and inevitable
Example
He embraced fatalism, believing that nothing he did could change his destiny.
他接受了宿命论，相信无论他做什么，都无法改变他的命运。
C2 verb /fɪˈlɪsɪˌteɪt/

felicitate

庆祝
Meaning
to congratulate; to express good wishes
Example
We felicitated the graduating students at the ceremony.
我们在典礼上祝贺了毕业生。
C2 verb /ˈfrɪzəl/

frizzle

将食物炸至变脆并卷曲
Meaning
to fry something until it becomes crisp and curled, or to make a sizzling noise
Example
The bacon began to frizzle in the pan.
培根在锅中开始发出滋滋声。
C2 adjective /ˈfɜːr.vɪd/

Fervid

热情的; 极为热衷的; 满怀激情的
Meaning
passionate; intensely enthusiastic; burning with emotion
Example
She gave a fervid speech about environmental protection.
她发表了一篇关于环境保护的热情演讲。
C2 adjective /ˈfiːkənd/

fecund

肥沃的, 高产的
Meaning
producing or capable of producing an abundance of offspring or new growth; fertile
Example
The fecund soil produced a bountiful harvest this year.
肥沃的土壤今年收获了丰盛的农作物。
C2 noun /friːz/

frieze

浮雕带
Meaning
a decorative horizontal band, often sculpted or painted, usually on a wall near the ceiling
Example
The frieze above the entrance depicts scenes from ancient mythology.
入口上方的浮雕带描绘了古代神话中的场景。
C2 noun /ˈfɜːrlɔːŋ/

furlong

距离单位（220码或大约201米）
Meaning
a unit of distance equal to 220 yards or about 201 meters
Example
The horse ran a furlong before slowing down.
马跑了一个弗隆后才减速。
C2 adjective /ˈfɪt.fəl/

fitful

间歇性
Meaning
occurring in irregular bursts; not continuous or steady
Example
He had a fitful sleep due to the storm.
由于暴风雨，他有间歇性的睡眠。
C2 noun /ˈfoʊ.li.oʊ/

folio

大书或手稿
Meaning
A sheet of paper folded once to form two leaves (four pages) of a book; also a term for a large book or manuscript.
Example
The library houses an ancient Shakespeare folio.
图书馆里有一本古老的莎士比亚大书。
C2 noun /flɛk/

fleck

小斑点
Meaning
a small spot or mark, often of a different color
Example
There was a fleck of paint on the floor.
地板上有一个小斑点。
C2 adjective /fækˈtɪʃəs/

factitious

人为的，不真实的
Meaning
artificial or fabricated; not natural or genuine
Example
The excitement in his story seemed factitious and forced.
他的故事中的兴奋感看起来是人为的且强迫的。
C2 adjective /ˈfækʃəs/

factious

分裂的
Meaning
causing disagreement or division within a group; inclined to form factions
Example
The debate became factious, splitting the committee into rival camps.
辩论变得分裂，委员会被分成了对立的阵营。
C2 adjective /fəˈsiːʃəs/

facetious

讽刺的
Meaning
Treating serious issues with deliberately inappropriate humor
Example
He was being facetious when he said he wanted to live on the moon.
他说他想住在月球上时，他是在开玩笑。
C2 noun /ˈfɔɪbəl/

foible

小缺点
Meaning
A minor weakness or eccentricity in someone's character.
Example
She loved him despite his little foibles.
尽管有一些小缺点，她依然爱他。
C2 noun /fɪntʃ/

finch

雀鸟（小型歌唱鸟）
Meaning
a small songbird with a short, stout bill
Example
A colorful finch perched on the branch singing sweetly.
一只五彩斑斓的雀鸟栖息在树枝上，甜美地唱着歌。
C2 verb /fɔːrˈdʒʌdʒ/

forejudge

预先判断
Meaning
To judge beforehand without adequate information.
Example
It is unfair to forejudge someone without knowing the facts.
在没有了解事实的情况下对某人做出判断是不公平的。
C2 adverb /ˌfɔːrθˈwɪθ/

Forthwith

立即; 无延迟; 马上
Meaning
immediately; without delay; at once
Example
The manager ordered the employee to stop the unsafe practice forthwith.
经理命令员工立即停止危险的做法。
C2 noun /ˈfrɛʃɪt/

freshet

突然的河流泛滥
Meaning
A sudden overflow of a stream or river caused by heavy rain or melting snow.
Example
After the storm, the river turned into a raging freshet.
暴风雨过后，河流变成了猛烈的freshet。
C2 noun /ˈfɜːrðərəns/

furtherance

促进
Meaning
The advancement or promotion of something.
Example
The new policy was introduced in furtherance of social justice.
新政策是为了促进社会公正而引入的。
C2 noun ˌfjuːmɪˈɡeɪʃən

fumigation

熏蒸
Meaning
The practice of disinfecting or purifying an area using gas or smoke.
Example
Fumigation is an effective method to control pest infestations.
熏蒸是一种有效的控制害虫侵扰的方法。
C2 adjective /ˈfjuːzəbl/

fusible

可熔化的
Meaning
Capable of being melted or fused.
Example
The engineer used a fusible alloy in the experiment.
工程师在实验中使用了可熔化的合金。
C2 noun /fiːˈkʌndɪti/

fecundity

丰饶，繁殖力
Meaning
the ability to produce an abundance of offspring or new growth; fertility
Example
The fecundity of the river delta supports diverse wildlife.
河流三角洲的丰饶支持着多样化的野生动物。
C2 noun /fləˈtɪlə/

flotilla

小型舰队
Meaning
A small fleet of ships or boats operating together.
Example
A flotilla of fishing boats left the harbor at dawn.
一支渔船的舰队在黎明时分离开港口。
C2 noun /ˈfɔːrˌseɪl/

foresail

前帆
Meaning
The principal sail set on the foremast of a sailing vessel.
Example
The crew adjusted the foresail to catch the wind.
船员调整了前帆来迎接风。
C2 verb /fɔrˈswɛr/

forswear

放弃
Meaning
to renounce or reject; to give up completely
Example
He forswore his old habits and started a new life.
他放弃了旧习惯，开始了新的生活。
C2 noun /ˈflɒtsəm/

flotsam

漂浮的残骸
Meaning
Floating debris from a shipwreck or things discarded and left floating.
Example
The beach was littered with flotsam after the storm.
暴风雨后，海滩上充满了漂浮的残骸。
C2 noun /feɪnt/

feint

假动作, 伪装动作
Meaning
a deceptive or pretended movement, especially in fighting or sports
Example
The boxer made a feint to the left before striking to the right.
拳击手在打右拳之前做了一个左侧的假动作。
C2 adjective /fɪˈdjuːʃəl/

fiducial

信任的，作为参考标准的
Meaning
based on trust or confidence; serving as a standard of reference
Example
The fiducial point on the map ensures accurate measurements.
地图上的菲杜西亚尔点确保了精确的测量。
C2 verb /ˈflʌməks/

flummox

困惑
Meaning
To confuse or bewilder someone completely.
Example
The complicated puzzle flummoxed the students.
复杂的拼图让学生们困惑。
C2 verb /ˈfrɪtər/

fritter

浪费
Meaning
To waste time, money, or energy on trivial matters.
Example
He frittered away his savings on unnecessary gadgets.
他把储蓄浪费在了不必要的电子产品上。
C2 noun /flæks/

flax

亚麻
Meaning
a plant whose fibers are used to make linen and whose seeds are edible
Example
Flax is often used in making linen fabrics.
亚麻常用于制作亚麻织物。
C2 noun /ˈfɔːrʃɔːr/

foreshore

海滩
Meaning
The part of the shore between the high and low tide marks
Example
Children were playing on the foreshore, collecting shells.
孩子们在海岸上玩耍，捡贝壳。
C2 noun /fəˈlɪsɪti/

felicity

幸福
Meaning
intense happiness; the ability to find appropriate expression for one's thoughts
Example
She was known for her felicity in conversation and cheerful nature.
她因在对话中的幸福和开朗的性格而闻名。
C2 noun /ˈfrɛs.koʊ/

fresco

壁画
Meaning
A painting done rapidly in watercolor on wet plaster so that the colors penetrate the surface
Example
The church walls were decorated with beautiful frescoes.
教堂的墙壁装饰着美丽的壁画。
C2 noun, verb /ˈfɪlɪˌbʌstər/

filibuster

通过长时间演讲延迟立法行动的策略；使用这种策略
Meaning
a tactic of delaying legislative action by prolonged speech; to use such a tactic
Example
The senator filibustered for hours to prevent the bill from passing.
参议员费利巴斯特了几个小时，以阻止该法案通过。
C2 noun /ˈfɜːrnəri/

fernery

蕨类植物培育园，培养蕨类植物的地方
Meaning
a place or greenhouse where ferns are cultivated
Example
The garden's fernery was full of exotic plants.
花园的蕨类植物培育园里充满了异国植物。
C2 verb /fɔɪst/

foist

强加
Meaning
To impose something unwelcome or unnecessary on someone.
Example
He tried to foist his old books onto his friends.
他试图把他的旧书强加给朋友们。
C2 adjective /ˈflɪpənt/

flippant

轻浮的
Meaning
not showing a serious or respectful attitude
Example
His flippant remarks annoyed the teacher.
他轻浮的言论惹怒了老师。
C2 adjective /ˈfuːlˌhɑːrdi/

foolhardy

轻率的
Meaning
Recklessly bold or rash; taking foolish risks.
Example
It was foolhardy of him to climb the mountain without proper gear.
他在没有适当装备的情况下攀登山峰，真是轻率的行为。
C2 noun /ˈfɛndər/

fender

挡泥板
Meaning
a part of a vehicle that frames a wheel well to protect against mud or debris
Example
The car's fender was dented in the accident.
汽车的芬德尔在事故中被压凹了。
C2 adjective /ˈfæn.sɪ.ləs/

fanciless

没有想象力的，普通的
Meaning
without imagination or creativity; plain or ordinary
Example
His drawings were simple and fanciless.
他的画作既简单又没有想象力。
C2 noun /fækˈtoʊtəm/

factotum

全能工人
Meaning
an employee who does many different types of work; a general servant
Example
He worked as a factotum, handling both clerical and maintenance duties.
他作为一个全能工人工作，处理行政和维护任务。
C2 noun /ˈfriːˌmeɪsən/

freemason

共济会会员
Meaning
A member of an international fraternity known as Freemasonry, focused on moral and spiritual values.
Example
His grandfather was a respected freemason in the community.
他的祖父是社区中受人尊敬的共济会会员。
C2 noun /ˌfɔːrɔːrdɪˈneɪʃən/

foreordination

预定
Meaning
the act of determining something in advance; predestination
Example
The doctrine of foreordination suggests that events are fixed by divine will.
预定论教义认为，事件是由神的意志所决定的。
C2 verb /frɪz/

frizz

Meaning
to form into small, tight curls or cause hair to become fuzzy and tangled
Example
The humid weather caused her hair to frizz.
C2 verb /fɔːrˈboʊd/

forebode

预示
Meaning
To predict or have a strong inner feeling of a future misfortune or evil.
Example
Dark clouds forebode a coming storm.
乌云预示着即将到来的风暴。
C2 adjective /ˈfiːbraɪl/

febrile

发烧的，激动的
Meaning
having or showing the symptoms of a fever; or highly excitable or agitated
Example
The patient was in a febrile state with high temperature.
患者处于高温状态下的发烧状态。
C2 noun /ˈfrɔːdjʊləns/

fraudulence

欺诈
Meaning
The quality or state of being fraudulent; deceitfulness.
Example
The audit revealed fraudulence in the financial statements.
审计揭示了财务报表中的欺诈行为。
C2 adjective /ˈfluːviəl/

fluvial

与河流相关
Meaning
relating to or found in a river
Example
The fluvial deposits indicated the presence of an ancient river system.
河流沉积物表明了古老河流系统的存在。
C2 noun /flɔːˈrɛsəns/

florescence

开花期
Meaning
The process, state, or period of flowering.
Example
The garden reached its peak florescence in spring.
花园在春天达到了它的盛开时期。
C2 verb /ˈfɛtər/

fetter

束缚，限制
Meaning
to restrain or restrict someone’s freedom
Example
The strict rules fettered the creativity of the students.
严格的规则限制了学生们的创造力。
C2 noun /ˈfɒpəri/

foppery

浮夸
Meaning
Foolish or excessive concern with one's appearance or manners; pretentious behavior.
Example
His obsession with fashion was dismissed as mere foppery.
他对时尚的痴迷被当作浮夸。
C2 noun /ˈfoʊksl/

forecastle

船首舱
Meaning
The forward part of a ship below the deck, traditionally used as living quarters for the crew.
Example
The sailors gathered in the forecastle after their shift.
水手们在他们的班次结束后聚集在船首舱。
C2 noun /ˈfɪɡmənt/

figment

虚构，想象
Meaning
something invented or imaginary; a fabrication of the mind
Example
The story of the haunted house is just a figment of her imagination.
鬼屋的故事只是她想象的产物。
C2 adjective /ˈflaɪti/

flighty

不稳定
Meaning
unstable, impulsive, or easily distracted; lacking seriousness or stability
Example
She’s too flighty to stick with one job for long.
她太不稳定了，无法在一份工作上呆太长时间。
C2 noun /ˈfaɪnəri/

finery

昂贵或精致的衣服
Meaning
expensive or elaborate clothes, decorations, or accessories
Example
She attended the party in her finest finery.
她穿着最好的衣服参加了聚会。
C2 adjective /ˈflʌməksd/

flummoxed

困惑的
Meaning
Completely confused or bewildered.
Example
He looked flummoxed after hearing the strange question.
他听到那个奇怪的问题后，看起来很困惑。
C2 verb /frɪsk/

frisk

搜查
Meaning
To search a person by patting their clothing to check for concealed items.
Example
The security guard frisked the man at the entrance.
安保人员在入口处搜查了那名男子。
C2 noun /ˈfɪli/

filly

小母马
Meaning
a young female horse
Example
The filly ran swiftly across the meadow.
这匹小母马在草地上跑得很快。
C2 noun /ˈfriːˌθɪŋkər/

freethinker

自由思想者
Meaning
A person who forms opinions based on reason and independent thought rather than tradition or authority.
Example
Voltaire was considered a great freethinker of his time.
伏尔泰被认为是他时代伟大的自由思想家。
C2 noun /ˈflɛdʒlɪŋ/

fledgeling

初生小鸟
Meaning
A young bird that has just developed its feathers and is learning to fly; a beginner.
Example
The fledgeling was trying hard to take its first flight.
那只初生小鸟正在努力做第一次飞行。
C2 noun /ˈfiːæt/

fiat

法令，命令
Meaning
an official order or decree; authoritative command
Example
The new policy was enacted by royal fiat.
新政策通过皇帝的命令实施。
C2 adjective /ˈfɛtɪd/

fetid

有恶臭的，令人不快的
Meaning
having a strong, unpleasant smell
Example
The fetid smell from the garbage was unbearable.
垃圾散发出的恶臭让人无法忍受。
C2 adjective/adverb /feɪn/

fain

心甘情愿地, 乐意地
Meaning
gladly, willingly, or with pleasure
Example
I would fain help you if I had the time.
如果我有时间，我会很乐意帮你。
C2 verb /fɪˈneɪɡəl/

finagle

通过聪明或欺骗得到某物
Meaning
to obtain something by cleverness or trickery
Example
He finagled a free ticket by pretending to be a VIP guest.
他通过假装是VIP客人来获得了一张免费票。
C2 verb /ˈfʊl.mɪ.neɪt/

fulminate

猛烈抗议
Meaning
To express strong protest or criticism loudly and forcefully; to explode violently.
Example
The politician began to fulminate against corruption.
政治家开始猛烈反对腐败。
C2 noun /fiːf/

fief

在封建制度下拥有的土地；一个控制区域或领域
Meaning
an estate of land held under the feudal system; a domain or area of control
Example
The knight was granted a fief by the lord for his service.
骑士因其服务而获得了领主授予的封地。
C2 noun /ˈfriːˌbuːtər/

freebooter

海盗
Meaning
A pirate or plunderer who roams freely in search of wealth.
Example
The freebooter raided the merchant ships along the coast.
海盗袭击了沿海的商船。
C2 adjective /ˈfædɪʃ/

faddish

短暂的时尚
Meaning
Following a temporary trend or fashion
Example
Wearing neon clothes was a faddish style in the 1980s.
穿着霓虹服装在1980年代是一种时尚。
C2 noun /ˈfɔːltˌfaɪndər/

faultfinder

找茬者
Meaning
a person who habitually finds fault with others
Example
He is such a faultfinder that nothing anyone does is ever good enough.
他是一个找茬者，任何人做的事情都永远不够好。
C2 noun /ˈflætʃələns/

flatulence

消化系统中的气体积聚
Meaning
the accumulation of gas in the digestive system; excessive gas in the stomach or intestines
Example
Eating beans can sometimes cause flatulence.
吃豆子有时会引起腹胀。
C2 verb /fleɪl/

flail

狂乱地挥动或摇摆某物；挣扎
Meaning
to wave or swing something about wildly; to thrash about
Example
He flailed his arms to keep afloat in the water.
他挥动双臂以在水中保持漂浮。
C2 noun /foʊl fʊt/

Foal-foot

马蹄花
Meaning
a yellow flowering plant with leaves shaped like a horse's hoof, also known as coltsfoot
Example
The foal-foot plant grows wild in many meadows and is often the first flower to bloom in spring.
马蹄花在许多草地上野生生长，通常是春天最早开花的花。
C2 adjective /ˈfiːtɪd/

foetid

恶臭的
Meaning
having an offensive, unpleasant smell
Example
The foetid smell from the garbage made it hard to breathe.
垃圾散发出的恶臭使得呼吸变得困难。
C2 adjective /ˈfluːtɪd/

fluted

有沟槽的
Meaning
having grooves or ridges, often for decoration
Example
The vase had a beautiful fluted design around the rim.
花瓶的边缘有一个美丽的有沟槽的设计。
C2 noun /ˈfrækɑː/

fracas

纷争
Meaning
A noisy disturbance or quarrel.
Example
The fracas outside the bar drew the attention of the police.
酒吧外的纷争引起了警察的注意。
C2 verb /ˈfɛstər/

fester

恶化, 加剧
Meaning
to become worse or more intense, often through neglect or infection
Example
If grievances are ignored, they may fester into resentment.
如果不理会抱怨，它们可能会变成怨恨。
C2 noun /ˌfrɪdʒɪˈdɛːriəm/

frigidarium

冷水池
Meaning
a large cold pool in ancient Roman baths used for cooling off after hot baths
Example
The ruins of the Roman frigidarium are still visible today.
罗马的冷水池遗址今天仍可见。
C2 verb /ˈfɜːrbɪʃ/

furbish

抛光
Meaning
to polish, renovate, or give a fresh look to something
Example
The workers furbished the old sword until it gleamed like new.
工人们把旧剑抛光，直到它像新的一样闪闪发光。
C2 verb /ˈfʌdəl/

fuddle

使困惑
Meaning
To confuse or stupefy, especially with alcohol or overwhelming information.
Example
The complicated instructions fuddled the new employees.
复杂的指令使新员工感到困惑。
C2 noun /fækˈsɪmɪli/

facsimile

传真副本
Meaning
an exact copy or reproduction of a document
Example
He sent a facsimile of the contract to the client.
他把合同的传真副本发送给了客户。
C2 adjective /ˈfɒp.ɪʃ/

Foppish

过度关注个人外貌和衣服；对穿着虚荣
Meaning
excessively concerned with one's appearance and clothes; vain about dress
Example
His foppish behavior and expensive clothes made him stand out.
他的foppish行为和昂贵的衣服使他与众不同。
C2 adjective /ˈfer.əs/

ferrous

含铁的
Meaning
containing or consisting of iron
Example
Ferrous metals are commonly used in construction.
铁金属常用于建筑中。
C2 adjective /ˈfæsaɪl/

Facile

容易的; 浅显的; 缺乏深度的
Meaning
easily achieved; superficial; lacking depth
Example
His facile explanation didn't address the real problem.
他的简单解释没有解决真正的问题。
C2 adjective /ˈfrɒlɪksəm/

Frolicsome

顽皮的; 快乐的; 活泼的
Meaning
joyful; playful; merry; cheerful
Example
The frolicsome children laughed and played in the park.
顽皮的孩子们在公园里笑着玩耍。
C2 adjective /ˈfæð.əm.ləs/

fathomless

无法理解或测量的; 非常深
Meaning
impossible to understand or measure; very deep
Example
The ocean seemed fathomless as it stretched to the horizon.
海洋看起来是无法测量的，因为它一直延伸到地平线。
C2 verb /ˈflædʒəˌleɪt/

flagellate

鞭打或以惩罚或自我约束的方式鞭打自己
Meaning
to whip or flog someone, either literally or as a form of punishment or self-discipline
Example
In history, some monks would flagellate themselves as penance.
在历史上，一些僧侣会因忏悔而鞭打自己。
C2 noun /ˈfuːləri/

foolery

愚蠢
Meaning
Silly or foolish behavior or actions.
Example
His constant foolery made the meeting hard to take seriously.
他不断的愚蠢让会议变得难以认真对待。
C2 adjective /ˈfʊl.səm/

fulsome

过度的赞美
Meaning
Excessively flattering or insincere; abundant or generous in amount.
Example
He offered fulsome praise to his boss.
他给老板提供了过度的赞美。
C2 adjective /ˈfʊl.dʒənt/

fulgent

闪耀
Meaning
Shining brightly; dazzling.
Example
The fulgent stars lit up the night sky.
闪耀的星星照亮了夜空。