furlough
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C1 noun, verb /ˈfɜːrloʊ/

furlough

临时休假
Meaning
temporary leave of absence from work, especially that granted to an employee or soldier
Example
Many workers were placed on furlough during the crisis.
许多工人在危机期间被放置在休假状态。
A2 noun/verb /fɛns/

fence

篱笆
Meaning
a barrier, usually made of wood or wire, that surrounds an area; to enclose with a barrier
Example
They built a fence around the garden.
他们在花园周围建了一道篱笆。
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 /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。
C1 noun /frɪndʒ/

fringe

装饰边缘 / 边界
Meaning
A decorative border of threads; the outer edge or margin of something.
Example
The festival had a fringe of small independent performances.
节日有一条小型独立表演的边缘。
C2 verb /feɪz/

faze

打扰
Meaning
to disturb or disconcert someone; to cause to feel unsettled
Example
She was not fazed by the unexpected question.
她没有被意外问题扰乱。
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。
A2 adjective /faɪn/

Fine

好的; 极好的; 薄的; 纤细的; 高质量的
Meaning
good; excellent; thin; delicate; high quality
Example
The weather is fine today.
今天天气很好。
A2 noun /fɪlm ˈæktər/

film actor

电影演员
Meaning
A person who performs roles in movies or films.
Example
The film actor received widespread acclaim for his performance.
这位电影演员因其出色的表演而获得广泛赞誉。
C1 noun /ˈfɔːrwɜːrd/

foreword

前言
Meaning
a short introduction at the beginning of a book, typically written by someone other than the author
Example
The foreword of the book was written by a famous historian.
这本书的前言是由一位著名的历史学家写的。
B1 noun /ˈfaɪər.mən/

Fireman

消防员
Meaning
a person whose job is to extinguish fires and rescue people
Example
The brave fireman rescued the family from the burning building.
勇敢的消防员从燃烧的建筑中救出了家庭。
C1 verb /fɔːˈbɛər/

forbear

克制
Meaning
To refrain from doing something; to show patience or self-control.
Example
She forbore from commenting on his mistake.
她克制了对他错误的评论。
C2 noun /ˈflæt.ər.ər/

Flatterer

奉承者
Meaning
a person who lavishes praise, often insincerely and in order to gain advantage
Example
The king was surrounded by flatterers who only told him what he wanted to hear.
国王被奉承者围绕，他们只告诉他他想听的话。
C1 adjective /ˈflʌstərd/

flustered

困惑
Meaning
in a state of confusion or agitation
Example
She appeared flustered after being asked so many questions.
她在被问了那么多问题后，看起来有些困惑。
B2 adverb /ˈflu:əntli/

Fluently

流利地; 顺畅地
Meaning
in a smooth, effortless, and articulate manner; with ease and skill
Example
She speaks French fluently.
她流利地讲法语。
C1 noun, verb /fɔːrd/

ford

浅滩
Meaning
A shallow place in a river where one can cross; to cross a river at such a place.
Example
The travelers decided to ford the river at dawn.
旅行者决定在黎明时分穿越河流。
A1 adjective /fɜːrst/

first

第一
Meaning
coming before all others in time, order, or importance
Example
She was the first to arrive at the meeting.
她是第一个到达会议的人。
B2 adverb /fɔːrθ/

forth

向前
Meaning
forward in place, time, or order
Example
The leader stepped forth to address the crowd.
领导走上前去与人群讲话。
A1 number /ˌfɪfˈtiːn/

fifteen

十五
Meaning
the number 15
Example
There are fifteen students in the class.
班里有十五个学生。
B2 adverb /ˈfɔːrməli/

formally

正式地
Meaning
in a formal or official manner; according to established rules or conventions
Example
The agreement was formally signed by both parties.
该协议已由双方正式签署。
A2 noun /ˈfiːvər/

fever

发烧
Meaning
a medical condition in which the body temperature is higher than normal
Example
He couldn’t go to work because he had a high fever.
他因高烧而不能上班。
B1 adverb /ˈfriːli/

Freely

自由地; 没有限制;
Meaning
without restriction; openly; willingly
Example
She spoke freely about her experiences during the interview.
她在面试中自由地谈论了她的经历。
A1 verb /fərˈɡet/

forget

忘记
Meaning
to be unable to remember something; to fail to bring something to mind
Example
Don't forget to lock the door when you leave.
离开时不要忘记锁门。
B2 adjective /ˈfeɪtl/

fatal

致命的
Meaning
causing death; leading to disaster
Example
The accident proved fatal for the driver.
事故对司机来说是致命的。
B2 noun /fleɪm/

Flame

火焰
Meaning
a hot glowing body of ignited gas that is generated by something on fire
Example
The candle flame flickered gently in the evening breeze.
蜡烛的火焰在晚风中微微闪烁。
C1 noun /fəˈrɒs.ə.ti/

ferocity

凶猛，暴力，强度
Meaning
The state or quality of being ferocious; extreme fierceness or violence.
Example
The storm's ferocity was devastating.
风暴的猛烈程度是毁灭性的。
B2 noun /ˈfeð.ər/

Feather

鸟羽毛
Meaning
one of the light structures that cover a bird's body
Example
The peacock has beautiful colorful feathers.
孔雀有美丽的五彩斑斓的羽毛。
C1 noun /ˈfɔːrɡraʊnd/

foreground

前景
Meaning
the part of a scene that is nearest to and in front of the viewer
Example
The flowers in the foreground brightened the picture.
前景的花朵使画面更加生动。
C1 adjective/noun /fəˈrɛns.ɪk/

forensic

应用于刑事或法律事务的科学分析
Meaning
Scientific analysis applied to criminal or legal matters
Example
Forensic experts analyze cybercrimes using advanced tools.
法医专家使用先进的工具分析网络犯罪。
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。
C1 noun flɛər

flair

天赋
Meaning
A natural ability to do something well.
Example
She has a flair for design, always creating visually stunning work.
她有设计的天赋，总是创造出视觉上令人印象深刻的作品。
C1 noun /frəˈdʒɪl.ɪ.ti/

fragility

脆弱性
Meaning
The quality of being fragile; delicateness.
Example
The cornea's fragility increases with rubbing.
角膜的脆弱性随着摩擦而增加。
C1 adjective /fɪkˈtɪʃəs/

fictitious

虚构的, 假的
Meaning
not real or true; imaginary or fabricated
Example
The story he told was entirely fictitious.
他讲的故事完全是虚构的。
A2 verb /fiːd/

feed

喂
Meaning
to give food to a person or animal
Example
She feeds the birds every morning.
她每天早上喂鸟。
A2 noun /fɔːrk/

Fork

叉子
Meaning
a tool with two or more prongs used for eating or serving food
Example
Please use a fork to eat your salad.
请用叉子吃你的沙拉。
B2 noun /ˈfaɪ.bər/

fibre

纤维
Meaning
A thread or filament from which a vegetable tissue, mineral substance, or textile is formed; dietary material that aids digestion.
Example
Eating foods rich in fibre can improve your digestion.
食用富含纤维的食物可以改善消化。
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。
C1 noun /ˈfeɪvərɪtɪzəm/

favoritism

偏袒
Meaning
the practice of giving unfair preferential treatment to one person or group
Example
The manager was accused of favoritism towards certain employees.
经理被指控偏袒某些员工。
B1 noun freɪm

Frame

框架
Meaning
A rigid structure that surrounds something such as a picture, door, or windowpane.
Example
A framed family tree can be displayed in your home.
一个框架化的家谱可以在您的家中展示。
B2 adjective, noun, verb /faʊl/

foul

Meaning
offensive to the senses; dirty or unpleasant; in sports, an unfair or illegal act
Example
The player was penalized for committing a foul.
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。
B1 noun /ˈfaɪəˌfaɪtə/

firefighter

消防员
Meaning
a person whose job is to put out fires
Example
The firefighter saved the family from the burning building.
消防员从燃烧的大楼中救出了那家人。
C1 noun /fɪkˈseɪ.ʃən/

fixation

固执的兴趣或对某事或某人的执念
Meaning
An obsessive interest in or feeling about someone or something.
Example
His fixation on perfectionism delayed project completion.
他对完美主义的固执导致项目完成的延迟。
B2 adjective /ˈfruːt.fəl/

Fruitful

富有成效的; 有益的; 成功的;
Meaning
productive; beneficial; successful;
Example
Our discussion was very fruitful and led to many new ideas.
我们的讨论非常有成效，带来了许多新的想法。
B2 noun /faʊl/

Fowl

家禽
Meaning
a domesticated bird kept for meat or eggs; chicken or other poultry
Example
The farmer raised fowl in his backyard for fresh eggs and meat.
农民在后院养家禽，提供新鲜的鸡蛋和肉。
C1 verb /ˈfɪdʒɪt/

fidget

坐立不安，焦虑不安
Meaning
to make small movements, especially because of nervousness or impatience
Example
The child began to fidget during the long lecture.
孩子在漫长的讲座中开始不停地动。
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。
A1 adjective /fʊl/

full

满
Meaning
Containing as much or as many as possible; complete.
Example
The glass is full of water.
杯子里满是水。
C1 adjective /ˌfɑːrˈfetʃt/

farfetched

不太可能或不太真实
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late sounded farfetched.
他解释迟到的理由听起来不可信。
C1 noun /fɪˈnænʃɪər/

financier

金融家
Meaning
a person who manages large amounts of money or investments
Example
The financier advised the company on its investments.
金融家为公司提供了关于投资的建议。
A2 noun /ˈfɪʃ.ər.mən/

Fisherman

渔夫
Meaning
a person who catches fish as a job or hobby
Example
The fisherman caught three large fish in the river today.
渔夫今天在河里抓住了三条大鱼。
C1 noun/verb /fliːs/

fleece

Meaning
The woolly covering of a sheep; as a verb, to swindle or cheat someone.
Example
The farmer sheared the sheep’s fleece carefully.
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。
B2 noun /ˈfɜː.tɪ.laɪ.zər/

fertilizer

肥料
Meaning
a substance added to soil to make plants grow more successfully
Example
Farmers use fertilizer to increase crop production.
农民使用肥料来提高作物产量。
B2 noun /ˈfrɪkʃən/

friction

摩擦
Meaning
the resistance that one surface or object encounters when moving over another; conflict or tension between people or groups
Example
There was friction between the two departments over resource allocation.
在资源分配问题上，两个部门之间有摩擦。
B2 verb /ˈfæs.ɪ.neɪt/

fascinate

迷住
Meaning
to attract and hold the attention of someone; to charm or captivate
Example
The magician's performance fascinated the audience.
魔术师的表演吸引了观众。
C1 noun /ˈfɔː.nə/

fauna

特定地区的动物生命
Meaning
The animal life of a particular region, habitat, or geological period.
Example
The fauna of the African savannah includes lions and elephants.
非洲草原的动植物群包括狮子和大象。
A2 noun /ˈfɑː.loʊ.ɪŋ/

following

追随者
Meaning
a group of supporters or people who admire something or someone
Example
The singer has a large following around the world.
这位歌手在全世界有很多追随者。
B2 noun /flɔː/

flaw

缺陷
Meaning
a defect or imperfection in something
Example
The diamond had a small flaw that was barely visible.
钻石有一个几乎看不见的小缺陷。
C2 adjective /ˈfæl.oʊ/

fallow

休耕地
Meaning
Describing land that is left unplanted for a period to restore its fertility, allowing soil to recover nutrients and break pest and disease cycles.
Example
Farmers leave their fields fallow to restore soil fertility.
农民将土地休耕，以恢复土壤肥力。
C1 noun /ˈfænsiər/

fancier

爱好者
Meaning
a person who has a special interest in a particular thing or activity, especially animals or hobbies
Example
He is a fancier of rare birds.
他是稀有鸟类的爱好者。
C1 noun /ˌfɜːrmənˈteɪʃən/

fermentation

发酵，酵母或细菌的化学变化
Meaning
a chemical process by which substances like sugar are converted into alcohol or acids using microorganisms
Example
The fermentation of grapes produces wine.
葡萄的发酵产生葡萄酒。
C1 adjective /ˈfrɛn.zid/

frenzied

狂乱
Meaning
Wildly excited or uncontrolled
Example
The frenzied crowd cheered as the band took the stage.
疯狂的人群为乐队登台而欢呼。
B2 adjective /ˈflɔːrəl/

floral

花卉的
Meaning
Relating to flowers or decorated with flowers.
Example
She wore a beautiful floral dress to the party.
她穿着一件漂亮的花卉裙子去参加派对。
C1 noun /ˈfɪʃ.ər/

fissure

裂缝
Meaning
a long, narrow opening or crack in a surface or object
Example
The earthquake caused a deep fissure in the road.
地震在路面上造成了一个深深的裂缝。
B2 noun /ˈfjuː.nər.əl/

Funeral

葬礼
Meaning
a ceremony typically held shortly after a person's death, usually including burial or cremation
Example
Hundreds of people attended the funeral to pay their respects to the beloved teacher.
成千上万的人参加了葬礼，向亲爱的老师致敬。
C1 noun /ˈfren.zi/

Frenzy

狂热
Meaning
a state or period of uncontrolled excitement or wild behavior; intense activity
Example
The announcement of the sale created a shopping frenzy at the mall.
销售公告在商场引发了一场购物狂潮。
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。
C1 adjective /ˈflæɡɪŋ/

flagging

变得疲惫、虚弱或失去热情
Meaning
becoming tired, weaker, or less enthusiastic
Example
After hours of work, his energy was flagging.
经过数小时的工作，他的精力正在减退。
C2 adverb /ˈfɔːrbi/

forby

此外
Meaning
In addition; besides (archaic Scottish/English word).
Example
He is kind and generous, and wise forby.
他是仁慈和慷慨的，并且此外还是智慧的。
C2 adjective /ˈfrɪski/

Frisky

活泼的; 精力充沛的; 爱玩的; 淘气的
Meaning
lively; energetic; playful; mischievous
Example
The frisky puppy ran around the garden playfully.
那只活泼的小狗在花园里欢快地奔跑。
B2 adjective /ˈfeɪθ.fəl/

Faithful

忠诚的; 忠实的; 可靠的
Meaning
loyal and committed; reliable; true to one's beliefs
Example
She remained faithful to her principles throughout her career.
她在整个职业生涯中始终忠诚于自己的原则。
B2 noun /ˈfæntəsi/

fantasy

幻想
Meaning
a creation of the imagination, especially something improbable or impossible
Example
She has a vivid fantasy about traveling to space.
她有一个关于太空旅行的生动幻想。
A1 adjective /ˈfrɛndli/

friendly

幸福
Meaning
Kind and pleasant; showing goodwill and affection.
Example
The shop owner is very friendly to new customers.
她收到奖项时无法掩饰自己的幸福。
C1 noun /ˈfɔːreɪ/

foray

突袭 / 初步尝试
Meaning
A sudden short attack or attempt, especially into new activity or territory.
Example
The company made its first foray into the international market.
公司首次进军国际市场。
C1 adjective /ˈfleɪɡrənt/

flagrant

显眼且明显错误
Meaning
shockingly noticeable or evident; glaringly wrong
Example
It was a flagrant violation of the rules.
这是对规则的明显违反。
B2 noun /ˈfleɪvər/

flavor

味道
Meaning
The distinctive taste of a food or drink.
Example
This ice cream has a delicious mango flavor.
这款冰淇淋有美味的芒果味。
C1 verb /feɪn/

feign

假装, 装作
Meaning
to pretend or fake; to give a false appearance of
Example
She feigned illness to avoid going to work.
她假装生病以避免去工作。
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。
B2 noun ˈfeɪs tə ˈfeɪs ˈbætl

face-to-face battle

面对面的战斗
Meaning
A direct confrontation or fight between opposing forces.
Example
The warriors fought a face-to-face battle with the enemies.
战士们与敌人进行了面对面的战斗。
A1 verb /feɪs/

face

mianlin
Meaning
to confront or deal with; to turn toward; to have the front in a particular direction
Example
She had to face many challenges in her new job.
Ta biyao mianlin hen duo tiaozhan zai ta de xin gongzuo zhong.
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。
A1 noun /fruːt/

fruit

水果
Meaning
The sweet and fleshy product of a plant that contains seeds.
Example
Mango is my favorite fruit.
芒果是我最喜欢的水果。
C1 noun /ˈfɔːrdʒər/

forger

伪造者
Meaning
a person who makes fake documents, artworks, or signatures
Example
The police arrested a forger who had been selling counterfeit paintings.
警方逮捕了一名伪造者，他一直在出售伪造的画作。
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 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 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。
C1 noun ˌfɜːr.tɪ.laɪˈzeɪ.ʃən

fertilization

施肥
Meaning
The process of adding nutrients to soil to increase crop productivity.
Example
Organic fertilization enhances soil health.
有机施肥有助于改善土壤健康。
C1 adverb /ˈfɪksɪdli/

Fixedly

专心地
Meaning
in a steady, unmoving manner; with intense concentration
Example
He stared fixedly at the painting.
他专心地盯着画作。
A2 adjective /fer/

Fair

公正的; 合理的; 吸引人的
Meaning
just and reasonable; treating people equally; light in color; attractive
Example
The judge made a fair decision in the case.
法官在案件中做出了公正的决定。
B1 noun /ˈfʌŋkʃən/

function

功能
Meaning
An activity or purpose natural to or intended for a person or thing.
Example
The main function of the heart is to pump blood.
心脏的主要功能是泵送血液。
A2 noun /ˈfɔːrənər/ or /ˈfɑːrənər/

foreigner

外国人
Meaning
A person from another country.
Example
The city welcomes every foreigner with kindness.
这个城市欢迎每一位外国人。
C2 noun /ˈfɔːrˌpiːk/

forepeak

船头舱
Meaning
The compartment in the forward part of a ship, often used for storage.
Example
The sailors stored extra ropes in the forepeak.
水手们将额外的绳索存放在船头舱里。
B1 adjective /ˈfæbjələs/

Fabulous

极好的；不可思议的；非凡的
Meaning
extremely good; wonderful; extraordinary
Example
She wore a fabulous dress to the party.
她穿了一件精彩的裙子去参加派对。
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。
C1 noun /ˈfɔːrˌfɑːðər/

forefather

祖先
Meaning
an ancestor, especially one who was part of an earlier generation of a family or nation
Example
Our forefathers fought for independence.
我们的祖先为独立而战斗。
B2 adverb /ˈfɔ:rmoast/

Foremost

首先; 最重要的
Meaning
most importantly; above all; in the first place
Example
First and foremost, we need to ensure safety.
首先，我们需要确保安全。
A2 adverb /fɔːrˈɛvər/

forever

永远
Meaning
For all future time; for always.
Example
She promised to love him forever.
她承诺永远爱他。
B2 noun ˈfjuː.tʃɚ ˌdʒen.əˈreɪ.ʃənz

future generations

未来几代人
Meaning
People who have not yet been born, considered in terms of the environment or society they will inherit.
Example
Sustainable development ensures a better life for future generations.
可持续发展确保未来几代人更好的生活。
A1 preposition /frəm/ or /frʌm/

from

从
Meaning
Used to indicate the starting point of a journey, action, or source.
Example
She came from Dhaka to visit her family.
她从达卡来探望她的家人。
C1 noun /ˌfɪɡjʊˈriːn/

figurine

小型装饰雕像
Meaning
a small ornamental statue or model of a human or animal
Example
She bought a porcelain figurine of a dancing ballerina.
她买了一尊舞蹈芭蕾舞者的瓷雕像。
C1 adjective /ˈfæn.sɪ.fəl/

fanciful

幻想的, 不现实的
Meaning
overimaginative, unrealistic, or whimsical
Example
The story was too fanciful to be true.
这个故事太幻想了，不可能是真的。
B2 noun /ˈfɪks.tʃər/

fixture

固定物，安装设备
Meaning
a permanent or fixed object, often in a house or building
Example
The bathroom fixture was installed yesterday.
浴室设备昨天已安装。
B2 adjective /ˈfeɪvərəbl/

favourable

有利的
Meaning
Expressing approval, support, or positivity; advantageous or beneficial
Example
The weather conditions were favourable for the outdoor event.
户外活动的天气条件是有利的。
C1 adjective /fəˈnætɪk/

Fanatic

狂热者
Meaning
extremely passionate about something; showing excessive enthusiasm or devotion
Example
He is a fanatic supporter of his football team.
他是他足球队的狂热支持者。
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。
C1 noun /fɪˈnɛs/

finesse

精妙, 技巧, 高雅
Meaning
Subtlety and skill; refinement and delicacy in performance or artistry.
Example
The artist painted with great finesse.
艺术家以极高的精妙感画画。
B2 adverb /ˈfeɪθ.fəl.i/

Faithfully

忠诚地
Meaning
in a loyal and steadfast manner; with dedication
Example
She faithfully attended every meeting despite her busy schedule.
她忠实地参加了每一次会议，尽管她的日程非常紧张。
C1 noun /frɪˈvɒləti/

frivolity

轻浮
Meaning
Lack of seriousness; silly or trivial behavior.
Example
The teacher discouraged frivolity during the exam.
老师在考试期间阻止了轻浮行为。
B1 noun /fəˈsɪl.ɪ.ti/

facility

设施
Meaning
A place, amenity, or piece of equipment provided for a particular purpose.
Example
The facility was well-maintained.
设施保持得很好。
C1 noun /ˈfæk.ʃən/

Faction

派系
Meaning
a small organized dissenting group within a larger one
Example
Different factions within the party disagreed about the new policy.
党内的不同派系对新政策存在分歧。
C1 adjective /ˈfaɪə.ri/

Fiery

火热的; 激情的; 暴躁的
Meaning
burning; passionate; hot-tempered; showing strong emotion
Example
She has a fiery temper that flares up quickly.
她有一个火热的脾气，容易迅速发火。
A2 adjective /ˈfæstɪst/

fastest

最快的
Meaning
moving or capable of moving at the highest speed
Example
Usain Bolt is the fastest runner in the world.
尤塞恩·博尔特是世界上跑得最快的运动员。
A2 noun /ˈfɪŋ.ɡər/

Finger

手指
Meaning
any of the four long thin parts of the hand (or five, if the thumb is included)
Example
She pointed with her finger to show the direction to the museum.
她用手指指向博物馆的方向。
C1 adjective ˈfɔːr.mɪ.də.bəl

formidable

强大的
Meaning
Inspiring fear or respect through being impressively large, powerful, intense, or capable.
Example
The boxer was a formidable opponent in the ring.
那名拳击手是拳台上一个强大的对手。
A1 verb /ˈfɒloʊ/

follow

跟随
Meaning
to move behind someone or something; to go after or come after
Example
The children followed their teacher into the classroom.
孩子们跟着老师进了教室。
A2 determiner/adjective /ˈfjuːər/

fewer

更少
Meaning
a smaller number of; not as many
Example
Fewer people attended the meeting than expected.
参加会议的人数比预期的少。
B1 verb /fel/

fell

砍倒, 伐木
Meaning
to cut down a tree; to cause to fall; to strike down
Example
The lumberjacks felled several trees in the forest today.
伐木工今天在森林里砍倒了几棵树。
A1 noun /ˈfʊtˌbɔːl/

football

足球
Meaning
A team sport played with a ball that is kicked or carried to score points.
Example
They watched a football match on TV.
他们在电视上观看了一场足球比赛。
C2 adjective /fluːˈɛnʃəl/

fluential

有影响力的
Meaning
Having the power to influence or flowing freely (rare/archaic usage).
Example
The fluential speaker captivated the entire audience.
有影响力的演讲者吸引了所有观众。
B2 adverb /ˈfɜ:rst hænd/

First-hand

第一手; 直接
Meaning
directly experienced or obtained; from the original source
Example
I experienced the earthquake first-hand.
我亲身经历了地震。