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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。
A2 adverb/adjective/verb /ˈfɜːrðər/

further

促进
Meaning
At a greater distance; to advance or promote something.
Example
She studied hard to further her career.
她努力学习以推动自己的职业发展。
A2 noun, verb /fɔːrm/

form

形状 / 表格
Meaning
the shape or structure of something; to bring something into existence
Example
Students filled out the registration form.
学生填写了注册表格。
B2 noun/verb /ˈfɒs.tər.ɪŋ/

fostering

培养
Meaning
The process of encouraging or promoting the development or growth of something; nurturing and caring for.
Example
Good teachers play a key role in fostering creativity in students.
好老师在促进学生创造力方面发挥着关键作用。
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 /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 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。
B2 adjective /ˈflɔː.ləs/

Flawless

完美的; 无缺陷
Meaning
perfect; without any defects or faults; immaculate
Example
Her flawless performance earned her a standing ovation.
她完美的表现为她赢得了全场起立的掌声。
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 /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。
C1 verb/noun ˈfæð.əm

fathom

理解
Meaning
To understand after much thought; to measure the depth of water; to comprehend.
Example
It is difficult to fathom the depths of the ocean.
很难理解海洋的深度。
B2 noun /ˌfer.ˈwel/

Farewell

告别
Meaning
an act of parting or of marking someone's departure
Example
The company organized a farewell party for the retiring manager.
公司为即将退休的经理举办了告别派对。
C2 adjective /ˈfɒksi/

foxy

狡猾
Meaning
Clever, cunning, or attractive.
Example
He came up with a foxy plan to win the game.
他想出了一个狡猾的计划来赢得比赛。
C1 noun /ˌfæb.rɪˈkeɪ.ʃən/

fabrication

虚假发明
Meaning
The invention of false or misleading information; a lie or falsehood.
Example
The article was full of fabrication and misleading claims.
这篇文章充满了虚假的发明和误导性的声明。
A2 noun /ˈfɪt.nəs/

fitness

身体健康
Meaning
The condition of being physically fit and healthy, or the quality of being suitable to fulfill a particular role or task.
Example
Fitness tests ensure vehicle safety.
身体健康测试确保车辆安全。
C1 adjective /frəˈnɛtɪk/

frenetic

狂乱的
Meaning
Fast and energetic in a wild or uncontrolled way.
Example
The stock market experienced frenetic trading after the announcement.
公告后股市经历了狂乱的交易。
B1 adjective /ˈfɒɡi/

foggy

有雾的
Meaning
Full of or covered with fog; unclear or hazy.
Example
The mountain road was dangerous on the foggy morning.
山区的道路在这个雾蒙蒙的早晨非常危险。
B1 adjective /ˈfəʊkəst/

focused

专注
Meaning
Directing a great deal of attention or effort toward a particular activity, situation, or person.
Example
Staying focused during work hours enhances productivity.
在工作时间保持专注提高了生产力。
C1 verb /flɑp/

flop

失败
Meaning
to fall or move heavily and clumsily; to fail completely
Example
The new movie flopped at the box office.
新电影在票房上失败了。
B1 adjective /feɪld/

failed

失败
Meaning
not successful in achieving a desired result
Example
The project failed to meet the expectations.
项目未能达到预期。
B1 adverb /ˈfʊli/

fully

完全
Meaning
completely or entirely; to the fullest extent
Example
She is fully aware of the risks.
她完全意识到这些风险。
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。
B2 noun /ˌfæs.ɪˈneɪ.ʃən/

Fascination

迷恋; 吸引; 吸引力
Meaning
the power to fascinate someone; the state of being intensely interested
Example
Her fascination with ancient history led her to become an archaeologist.
她对古代历史的迷恋让她成为了一名考古学家。
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。
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 verb /fɔːrˈseɪk/

forsake

Meaning
to abandon or give up something or someone
Example
He decided not to forsake his old friends despite his success.
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。
A2 verb ˈfoʊkəs

focus

集中
Meaning
To concentrate attention or effort on something; to direct one's attention or efforts towards a particular activity, subject, or problem.
Example
Focus on what truly matters to simplify your life.
专注于真正重要的事情，让生活变得更简单。
A2 noun /fɒks/

Fox

狐狸
Meaning
a wild animal related to dogs, with a pointed face and thick fur
Example
The red fox is known for its cunning nature.
红狐以其狡猾的天性而闻名。
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 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。
A2 noun /ˈfrɛndʃɪp/

friendship

友谊
Meaning
A close and trusting relationship between two or more people.
Example
Their friendship has lasted since childhood.
他们的友谊从小就开始了。
A2 adjective, noun /ˈfeɪvərɪt/

favorite

最喜欢的
Meaning
Preferred over all others; something or someone especially liked.
Example
Chocolate is my favorite ice cream flavor.
巧克力是我最喜欢的冰淇淋口味。
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。
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。
B2 adjective /ˈfæktʃuəl/

Factual

基于事实的; 真实的
Meaning
based on facts; accurate; true
Example
The report contains only factual information.
报告仅包含事实性的信息。
C1 noun /fiːnd/

fiend

恶魔，邪恶的人
Meaning
an evil spirit or demon; a wicked or cruel person; someone obsessed with a particular thing
Example
He is a real fiend when it comes to solving puzzles.
当涉及解谜时，他真的是个恶魔。
B1 noun /frʌˈstreɪʃən/

frustration

挫折
Meaning
The feeling of being upset or annoyed due to inability to achieve something.
Example
He felt deep frustration when his plans failed.
当他的计划失败时，他感到深深的挫折。
B1 noun ˈfæmɪli triː

Family Tree

家谱
Meaning
A diagram showing the relationships between people in several generations of a family.
Example
Creating a family tree helps understand family history.
创建家谱有助于理解家庭历史。
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。
B2 adverb /ˌfʌndəˈmɛntəli/

fundamentally

从根本上
Meaning
in a basic and important way; at the core
Example
The two theories are fundamentally different.
这两个理论从根本上不同。
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。
C1 noun /fɪˈdɛl.ɪ.ti/

fidelity

忠诚
Meaning
Faithfulness to a person, cause, or belief, demonstrated by continuing loyalty and support.
Example
A dog's fidelity to its owner is unmatched.
狗对主人忠诚无比。
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。
B2 noun /ˈfɪlmˌmeɪkər/

film-maker

电影制作人
Meaning
A person who directs or produces films
Example
The film-maker received an award for his latest documentary.
电影制作人因他最新的纪录片获得了奖项。
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 /ˈfræŋkɪnsɛns/

frankincense

乳香
Meaning
An aromatic gum resin used in incense and perfumes, often in religious ceremonies.
Example
The temple was filled with the sweet smell of burning frankincense.
寺庙里充满了燃烧乳香的甜美气味。
C1 noun /fɑːrs/

farce

闹剧
Meaning
a comic dramatic work using buffoonery and horseplay, or a ridiculous situation
Example
The meeting turned into a complete farce with everyone arguing.
会议变成了一场彻底的闹剧，大家都在争论。
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。
B1 noun fʌnd

fund

基金
Meaning
A sum of money saved or made available for a particular purpose.
Example
The government allocated a fund for disaster relief.
政府为灾难救援设立了一个基金。
C2 noun /foʊ ˈpɑː/

faux pas

社交失误
Meaning
a social blunder or mistake in etiquette
Example
He committed a major faux pas by forgetting her birthday.
他因为忘记她的生日而犯了一个大社交失误。
B1 noun /ˈfes.tə.vəl/

Festival

节日; 庆典;
Meaning
a day or period of celebration, typically for religious reasons; an organized series of concerts, films, etc.
Example
The music festival attracted thousands of visitors from around the world.
音乐节吸引了来自世界各地的成千上万的游客。
C1 verb /flɪntʃ/

flinch

退缩
Meaning
to suddenly move back or away due to fear or pain
Example
He didn’t flinch when the doctor gave him the injection.
他在医生给他打针时没有退缩。
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。
C1 noun /ˈfɛtɪʃ/

fetish

过度或不理智的痴迷
Meaning
an excessive or irrational devotion to something
Example
He has a fetish for collecting rare stamps.
他对收集稀有邮票有着一种痴迷。
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 /frɔːd/

Fraud

欺诈
Meaning
wrongful or criminal deception intended to result in financial or personal gain
Example
The company was investigated for credit card fraud and money laundering.
公司因信用卡欺诈和洗钱被调查。
B1 noun /ˌfɜːrst ˈeɪd/

first aid

急救
Meaning
Immediate assistance given to a sick or injured person until full medical treatment is available
Example
He gave first aid to the injured cyclist before the ambulance arrived.
在救护车到来之前，他为受伤的自行车手进行了急救。
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。
A1 noun ˈfjuː.tʃər

future

未来
Meaning
The time or a period of time following the moment of speaking or writing; time regarded as still to come.
Example
Future projects depend on strategic planning.
未来的项目依赖于战略规划。
B2 adjective /ˈfɜːr.taɪl/

Fertile

肥沃的
Meaning
capable of producing abundant vegetation or crops; able to conceive children
Example
The fertile soil in this region makes it perfect for growing vegetables.
这个地区的肥沃土壤使其成为种植蔬菜的理想之地。
A2 noun /ˈfæʃ.ən/

fashion

时尚
Meaning
a popular or accepted style of clothing, behavior, or way of doing something
Example
She always keeps up with the latest fashion.
她总是跟上最新的时尚。
C1 verb /fɔːrˈɡoʊ/

forego

放弃
Meaning
to decide not to do or have something pleasant or valuable
Example
She decided to forego dessert to maintain her diet.
她决定放弃甜点，以保持她的饮食。
B2 noun /ˈfer.i boʊt/

Ferry-boat

渡船
Meaning
a boat that carries passengers and vehicles across water
Example
We took the ferry-boat to cross the river.
我们坐渡船过河。
C1 noun ˈfæl.ə.si

fallacy

谬误, 错误的信念, 错误推理
Meaning
False belief, misconception, false reasoning.
Example
The idea that success comes easy is a fallacy.
成功容易到来的这个想法是一个谬误。
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。
C1 noun /ˈfɔːls.hʊd/

Falsehood

虚伪; 谎言
Meaning
the state of being untrue; a lie
Example
The politician was caught spreading falsehoods about his opponent.
那位政治家被抓到散播关于对手的谎言。
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。
A1 adjective/noun /fɔːrθ/

fourth

第四
Meaning
Constituting number four in a sequence; coming after the third in position.
Example
He finished in fourth place in the race.
他在比赛中获得了第四名。
A2 noun /flaʊər/

Flour

面粉
Meaning
fine powder made by grinding wheat or other grains; used for making bread, cakes, and pastry
Example
She mixed flour with water to make dough for bread.
她把面粉和水混合，做了面包的面团。
A2 adjective /ˈfroʊzən/

frozen

冻结的
Meaning
preserved by being made extremely cold; turned into ice
Example
The lake was completely frozen during winter.
湖泊在冬季完全冻结。
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 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 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。
A2 verb /fɪl/

fill

填充
Meaning
to make or become full; to put something into a container until it is full
Example
Please fill the glass with water.
请把玻璃杯装满水。
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 /ˈfɔːrˌnɑːlɪdʒ/

foreknowledge

预知
Meaning
Awareness of something before it happens or exists.
Example
The prophet claimed to have foreknowledge of the event.
先知声称他预知了这个事件。
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。
B1 noun, verb /flæɡ/

flag

Meaning
a piece of fabric with a symbol or colors; or to mark or signal attention
Example
They raised the national flag during the ceremony.
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。
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。
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。
C1 noun /ˈfɪɡjərˌhɛd/

figurehead

象征性领导
Meaning
a nominal leader with no real power; a symbolic head
Example
The king was merely a figurehead with no real authority.
国王只是一个没有实权的象征性领袖。
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。
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。
B1 verb /ˈfɛri/

ferry

渡船运输
Meaning
to transport by boat; to carry back and forth
Example
The boat ferried passengers across the river.
船把乘客运过了河。
A2 noun /frɒɡ/

Frog

青蛙
Meaning
a small amphibian animal that lives both in water and on land
Example
The frog jumped from the lily pad into the pond.
青蛙从睡莲叶上跳进池塘。
B2 noun /ˈfæbrɪk/

fabric

布料
Meaning
Cloth or material produced by weaving or knitting fibers.
Example
The tailor used silk fabric to make the dress.
裁缝用丝绸布料做了这件衣服。
B1 noun /feɪm/

Fame

名声
Meaning
the condition of being known or talked about by many people
Example
The young actor achieved international fame with his latest movie.
这位年轻演员凭借他最新的电影获得了国际声誉。
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 /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。
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。
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。
B2 noun /ˈfɛmənɪst/

feminist

女性主义者
Meaning
a person who supports equal rights and opportunities for women and men
Example
She proudly calls herself a feminist and fights for gender equality.
她自豪地称自己为女性主义者，并为性别平等而奋斗。
A1 adverb /fɑːr/

far

远
Meaning
at, to, or by a great distance
Example
The school is far from my house.
学校离我家很远。
C2 noun /ˈfjʊr.ʌŋ.kəl/

Furuncle

脓肿; 坑;
Meaning
a painful pus-filled bump under the skin caused by infected, inflamed hair follicles
Example
The doctor prescribed antibiotics to treat the painful furuncle on his neck.
医生开了抗生素来治疗他脖子上疼痛的脓肿。
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。
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。
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。
B1 noun /fæts/

fats

脂肪
Meaning
Essential macronutrients that provide energy, support cell growth, and protect organs while helping absorb vitamins.
Example
Healthy fats from nuts and avocados support brain function.
来自坚果和鳄梨的健康脂肪支持大脑功能。
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 /floʊ/

floe

浮冰
Meaning
a large sheet of floating ice
Example
The polar bears rested on the ice floe.
北极熊在浮冰上休息。
C1 noun /ˈfɔːrsəm/

foursome

四人组
Meaning
a group of four people or things, especially in games or social activities
Example
The foursome enjoyed a game of golf together.
四人组一起享受了一场高尔夫比赛。
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。
C1 verb /ˈfɜːrmɛnt/

ferment

经历一个化学过程，其中糖分转化为酒精或酸; 激起或引发变化
Meaning
to undergo a chemical process where sugars are converted to alcohol or acid; to incite or stir up change
Example
The grapes are left to ferment for several weeks.
葡萄被留下来发酵几个星期。
B2 noun fəˈtɪl.ɪ.ti

fertility

肥力
Meaning
The quality of being fertile; fruitfulness.
Example
Fertility of the soil is crucial for farming.
土壤的肥力对农业至关重要。
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。
A1 number /ˈfɔːrti/

forty

幸福
Meaning
the number 40; ten times four
Example
She celebrated her forty years of life with a big party.
当她收到奖项时，她无法掩饰自己的幸福。
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。
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。
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。
B2 verb /fʊlˈfɪl/

fulfil

实现
Meaning
to complete or achieve something that was expected or promised; to satisfy a requirement or desire
Example
She worked hard to fulfil her dream of becoming a doctor.
她努力工作以实现成为医生的梦想。
A2 noun /ˈfɔːrɪst/

Forest

森林
Meaning
a large area covered chiefly with trees and undergrowth
Example
We went hiking in the dense forest yesterday.
我们昨天在密林中徒步旅行。
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。
B2 noun /ˈfjuːʒən/

fusion

融合
Meaning
the process or result of joining two or more things together to form a single entity
Example
The restaurant offers a unique fusion of Asian and European cuisines.
餐厅提供独特的亚洲和欧洲美食融合。
C1 noun /fæd/

fad

短暂流行的时尚，趋势
Meaning
a temporary fashion or trend; a short-lived craze
Example
The new diet became a popular fad among teenagers.
新的饮食成了青少年中的短暂流行趋势。
A1 noun/verb /fɪlm/

film

电影
Meaning
a motion picture or movie; or to record on camera
Example
They watched a film together on the weekend.
他们在周末一起观看了一部电影。
C1 noun /fɪlθ/

filth

肮脏
Meaning
dirty or disgusting matter; moral corruption
Example
The streets were full of filth after the storm.
暴风雨后街道上满是肮脏。
B1 adjective /faɪˈnænʃəl/

financial

金融的
Meaning
relating to money, banking, or finance
Example
He made a sound financial decision by investing wisely.
他通过明智的投资做出了稳健的金融决策。
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 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。