aide-de-camp
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
C2 noun /ˌeɪd də ˈkæmp/

aide-de-camp

军官，担任高级军官的机密助手
Meaning
A military officer acting as a confidential assistant to a senior officer.
Example
The general was accompanied by his aide-de-camp during the ceremony.
在仪式期间，军官与他的随行军官共同出席。
C2 adjective /ˈɪndələnt/

indolent

懒惰
Meaning
Wanting to avoid activity or exertion; lazy.
Example
The indolent cat slept in the sun all afternoon.
懒惰的猫整天躺在阳光下睡觉。
C2 adjective /ˌɪnkəmˈbʌstəbl/

incombustible

不燃烧
Meaning
Not capable of catching fire or burning.
Example
This material is incombustible and safe for construction.
这种材料是防火的，适合建筑使用。
C2 noun /ˈkjʊriˌoʊ/

curio

奇特物品
Meaning
a small unusual or interesting object, often collected for its rarity
Example
She bought a curio from the antique shop.
她从古董店买了一个奇特物品。
C2 adjective /ˌsuː.pər.ɪˈrɑː.ɡə.tɔːr.i/

supererogatory

超额的
Meaning
Going beyond what is required or expected; more than necessary.
Example
His donation was supererogatory, far beyond what anyone had asked for.
他的捐赠是超额的，远远超过任何人要求的。
C2 noun /əbˈhɒrəns/

abhorrence

厌恶
Meaning
a feeling of strong disgust or hatred
Example
He expressed his abhorrence of racial discrimination.
他表达了对种族歧视的厌恶。
C2 noun /ˈfʌstɪən/

fustian

浮夸的演讲
Meaning
pompous or pretentious speech or writing; originally a type of thick cloth
Example
The politician's speech was filled with fustian and empty promises.
政治家的演讲充满了浮夸和空洞的承诺。
C2 adjective /ˌsuː.pɚˈsɪl.i.əs/

supercilious

傲慢的
Meaning
Behaving or looking as though one thinks one is superior to others; arrogant and disdainful.
Example
She gave him a supercilious smile as if he was beneath her.
她对他露出了一种傲慢的笑容，好像他比她低。
C2 adjective /ˈhʌmdrʌm/

humdrum

单调
Meaning
Lacking excitement or variety; dull and monotonous.
Example
She grew tired of the humdrum routine of office life.
她厌倦了办公室生活的单调例行公事。
C2 noun /ˌɪmprəˈpraɪəti/

impropriety

不当行为
Meaning
Failure to observe standards of honesty or modesty; improper behavior.
Example
The politician was accused of financial impropriety.
该政治家被指控涉及财务不当行为。
C2 noun /ˌpɜː.spɪˈkæs.ɪ.ti/

perspicacity

洞察力
Meaning
Sharp insight, keen understanding and discernment.
Example
Her perspicacity in business decisions led to success.
她在商业决策中的洞察力带来了成功。
C2 noun /ˈɪŋkjʊbəs/

incubus

恶梦般的负担
Meaning
An oppressive or nightmarish burden; in folklore, an evil spirit that lies upon sleeping people.
Example
Debt became an incubus that weighed heavily on the family.
债务成了一个恶梦般的负担，沉重地压在这个家庭上。
C2 noun /ˈdʒɛntaɪl/

gentile

外邦人
Meaning
A person who is not Jewish
Example
The synagogue welcomed both Jews and Gentiles.
犹太会堂欢迎犹太人和外邦人。
C2 noun/adjective /ˈtraɪkʌlər/

tricolor

三色旗
Meaning
A flag with three colors; consisting of three colors.
Example
The French tricolor is one of the most famous national flags in the world.
法国的三色旗是世界上最著名的国旗之一。
C2 verb /aɪˈtɪnəˌreɪt/

itinerate

旅行
Meaning
To travel from place to place, usually for the purpose of work or preaching.
Example
The missionary itinerated throughout the region to spread the message.
传教士到处旅行传播信息。
C2 adjective /ɪnˈkɑːdʒɪtənt/

incogitant

缺乏思考
Meaning
Lacking thought; inconsiderate or thoughtless.
Example
It was incogitant of him to make such a rude comment.
他做出如此粗鲁的评论是缺乏思考的。
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 noun /ɡɑːrˈdiː.ni.ə/

Gardenia

栀子花
Meaning
a white or yellow fragrant flower with waxy petals
Example
The gardenia bush produced beautiful white flowers with a lovely scent.
栀子花丛开出了美丽的白花，散发出迷人的香气。
C2 verb /ɪˈvɜːrt/

evert

翻转向外
Meaning
To turn inside out or outward.
Example
The surgeon had to evert the eyelid during the procedure.
外科医生在手术过程中必须翻转眼睑。
C2 adjective /ˈoʊ.kən/

oaken

由橡木制成
Meaning
made of or resembling oak wood
Example
The villagers gathered around the oaken table in the hall.
村民们围着大厅里的橡木桌子聚集在一起。
C2 noun /ˈmoʊlər/

molar

磨牙
Meaning
A large tooth at the back of the mouth used for grinding food.
Example
The dentist had to extract his wisdom molar.
牙医不得不拔掉他的智齿。
C2 noun /ɪˌpɪstəˈmɒlədʒɪst/

epistemologist

认识论者
Meaning
A scholar or expert who studies the nature, sources, and limits of knowledge.
Example
The epistemologist debated how humans can truly know anything with certainty.
认识论者辩论了人类如何能够确信地知道某些事情。
C2 adjective /ˌɪnkoʊˈɜːrsəbl̩/

incoercible

无法强迫的
Meaning
Not capable of being forced, compelled, or restrained.
Example
Her incoercible spirit inspired others to fight for justice.
她那无法强迫的精神激励了其他人争取正义。
C2 verb /aɪˈdɒləˌtraɪz/

idolatrize

偶像崇拜
Meaning
To worship idols; to regard with excessive devotion or admiration.
Example
They began to idolatrize the statue as a deity.
他们开始把这尊雕像当作神明崇拜。
C2 adjective /ˈpæsɪbəl/

passible

能够感知; 易受痛苦
Meaning
capable of feeling or suffering; susceptible to sensation or emotion (often theological)
Example
In some traditions, deities are described as passible, sharing human emotions.
在一些传统中，神被描述为能够感知，分享人类情感。
C2 noun /fɪˈlɒl.ə.dʒɪst/

philologist

语言学家
Meaning
a person who studies languages and their history
Example
The philologist analyzed ancient texts to understand language evolution.
语言学家分析了古代文献，以理解语言的演变。
C2 adjective /vɪˈtjuːpərətɪv/

vituperative

辱骂的
Meaning
Characterized by abusive or harsh language.
Example
The teacher’s vituperative remarks left the students in tears.
老师的辱骂言辞让学生们泪流满面。
C2 verb /rɪˈmɒnstreɪt/

remonstrate

抗议
Meaning
To make a forceful protest or objection.
Example
Citizens remonstrated against the new tax policy.
公民们抗议新税政策。
C2 noun /ˈændaɪərn/

andiron

金属木柴支架
Meaning
a metal support used in a fireplace to hold logs
Example
The logs rested on the andirons in the old fireplace.
木柴安放在旧壁炉的安迪龙上。
C2 noun /ˈɒlɪv bɑːb/

Olive barb

橄榄鲃
Meaning
A small freshwater fish with olive-colored body and barbels
Example
The olive barb is commonly found in South Asian rivers.
橄榄鲃常见于南亚的河流中。
C2 noun /ɪˈrɛvərəns/

irreverence

不敬
Meaning
a lack of respect for people or things that are generally taken seriously
Example
His jokes about religion showed irreverence to the sacred traditions.
他关于宗教的笑话表现了对神圣传统的不敬。
C2 adjective /kənˈdʌktəbl̩/

conductible

导电的
Meaning
capable of being conducted, especially electricity or heat
Example
Copper is highly conductible to electricity.
铜的导电性很高。
C2 noun /ɪˈluːmɪnənt/

illuminant

光源
Meaning
A substance or device that produces light.
Example
The lamp acted as an illuminant in the dark cave.
这盏灯在黑暗的洞穴中充当了光源。
C2 adjective /ˈbʌsti/

busty

胸部丰满的
Meaning
having a large or full bust; describing a woman with a prominent chest
Example
The actress was often described as busty in fashion magazines.
这位女演员在时尚杂志中常被形容为胸部丰满的。
C2 adjective /ɪnˈvɛtərət/

inveterate

根深蒂固
Meaning
having a long-established habit, activity, or interest that is unlikely to change
Example
He is an inveterate reader who spends hours in the library every day.
他是一个根深蒂固的读者，每天在图书馆度过几个小时。
C2 noun /ˈmɒnəˌsɪləbəl/

monosyllable

单音节词
Meaning
A word consisting of only one syllable.
Example
Words like 'yes' and 'no' are monosyllables.
'是'和'不'这类词是单音节词。
C2 adjective /ˈlɪmbər/

limber

灵活和敏捷
Meaning
Flexible and agile in body or movement.
Example
Dancers need to stay limber to perform well.
舞者需要保持灵活才能表现好。
C2 adjective /ɪnˈklɛmɛnt/

inclement

恶劣天气
Meaning
unpleasantly cold, wet, or stormy (usually weather)
Example
The match was canceled due to inclement weather.
比赛因恶劣天气被取消了。
C2 noun /ˈwɪtɪˌsɪzəm/

witticism

机智的评论 / 笑话
Meaning
a clever or funny remark
Example
Her witticism made everyone laugh during the meeting.
她的机智评论让所有人都在会议期间笑了。
C2 adjective /ˈpɛktərəl/

pectoral

胸肌
Meaning
Relating to the chest or breast.
Example
The athlete focused on strengthening his pectoral muscles.
运动员专注于增强他的胸肌。
C2 adjective /ˌsuːdəˈrɪfɪk/

sudorific

促汗的
Meaning
causing or increasing sweating
Example
The doctor prescribed a sudorific drug to help reduce the fever.
医生开了一种促进出汗的药物来帮助减少发热。
C2 adjective /ˈfʊtˌluːs/

footloose

自由自在
Meaning
Free to go anywhere or do anything; not tied down by responsibilities.
Example
After graduating, he felt footloose and ready to explore the world.
毕业后，他感到自由自在，准备探索这个世界。
C2 noun /wiːl/

weal

幸福
Meaning
A raised mark on the skin left after a blow; or general well-being and prosperity.
Example
The charity worked for the common weal of the community.
当她获得奖项时，她无法掩饰自己的幸福。
C2 adjective /ɡlɪb/

glib

表面上的但不真诚的
Meaning
speaking easily but without sincerity or depth
Example
The politician gave a glib answer to a serious question.
政治家对一个严肃的问题给出了表面上的回答。
C2 verb /læmˈpuːn/

lampoon

讽刺
Meaning
to publicly criticize or ridicule someone or something with humor, irony, or sarcasm
Example
The cartoonist lampooned the politician for his contradictory statements.
漫画家因政治家的矛盾言论而讽刺他。
C2 adjective /ˌæd.vɛnˈtɪʃ.əs/

adventitious

偶然的
Meaning
Happening by chance or accident, not planned.
Example
His success was partly due to adventitious circumstances.
他的成功部分归因于偶然的情况。
C2 noun /aɪˈoʊtə/

iota

极小的数量
Meaning
An extremely small amount.
Example
He did not show an iota of fear.
他一点儿恐惧都没表现出来。
C2 noun /məˈnɪʃən/

monition

警告
Meaning
A warning or caution, often of a religious or moral nature.
Example
The priest gave a monition against dishonesty.
牧师对不诚实行为发出了警告。
C2 adjective rɪˈtɛn.tɪv

retentive

记忆力强
Meaning
Having strong memory or the ability to retain information for a long time.
Example
Students with a retentive memory excel in academics.
记忆力强的学生在学术上表现优异。
C2 adjective /ˈvɪndɪkeɪtɪv/

vindicative

辩护的
Meaning
showing a tendency to vindicate or justify; inclined to defend
Example
Her vindicative tone showed that she strongly believed in her innocence.
她的辩护语气表明她坚信自己的清白。
C2 noun /ɪnˈsaɪzər/

incisor

切牙
Meaning
a narrow-edged tooth at the front of the mouth, adapted for cutting
Example
The dentist noted that his upper left incisor was chipped.
牙医注意到他的上左切牙裂开了。
C2 verb /ˌkɒnvəˈlɛs/

convalesce

恢复健康，在疾病或治疗后恢复力量
Meaning
to recover health and strength after illness or medical treatment
Example
After the surgery, she spent several weeks convalescing at home.
手术后，她在家里恢复了几个星期。
C2 noun /lʌɡˈʒʊəriəns/

luxuriance

奢华
Meaning
abundant growth, richness, or elegance
Example
The garden was filled with the luxuriance of tropical plants.
花园里充满了热带植物的奢华。
C2 noun /haɪˈdrɒl.ɪ.sɪs/

hydrolysis

水解
Meaning
A chemical process that breaks down compounds by adding water, splitting complex molecules into simpler forms.
Example
Hydrolysis breaks down complex molecules into simpler forms.
水解将复杂的分子分解成更简单的形式。
C2 noun/verb /ˈkætˌkɔːl/

catcall

性骚扰或不满的喊声或口哨声
Meaning
A loud whistle or shout of disapproval or sexual harassment directed at someone.
Example
The actress ignored the catcalls from the crowd.
女演员无视人群中的猫叫声。
C2 noun /ˈænti/

ante

Meaning
a stake put up by a player in poker or similar games before receiving cards; also used figuratively to mean an initial investment or contribution
Example
Each player placed an ante before the game began.
C2 adverb /ˈaɪsɪli/

icily

冷漠地
Meaning
In a very cold, unfriendly, or hostile manner.
Example
She replied icily to his question.
她冷漠地回答了他的问题。
C2 noun /dɪˈpɑːzɪtər/

depositor

存款人
Meaning
a person who places money in a bank or financial institution
Example
The bank provides insurance to protect depositors’ funds.
银行提供保险来保护存款人的资金。
C2 adjective /ˌlɪlɪˈpjuːʃən/

lilliputian

极小的
Meaning
Extremely small or tiny; trivial or petty.
Example
The model village was filled with lilliputian houses.
模范村庄里充满了极小的房屋。
C2 noun /əˈdʌltərənt/

adulterant

掺假物质
Meaning
a substance added to something else, often food or drink, to reduce its quality or strength
Example
The laboratory found an adulterant in the milk samples.
实验室在牛奶样本中发现了掺假物质。
C2 noun /ˈɪmɪˌteɪtər/

imitator

模仿者
Meaning
a person who copies the behavior, style, or actions of others
Example
He became famous as an imitator of popular singers.
他因模仿流行歌手而出名。
C2 adjective ɪnˈfiː.zə.bəl

infeasible

不可行
Meaning
Not possible to do easily or conveniently; impracticable.
Example
Restoring the forest may become infeasible if destruction continues.
如果破坏继续下去，恢复森林可能变得不可行。
C2 adjective /rɪˈfʌldʒənt/

refulgent

辉煌
Meaning
Shining brightly; radiant.
Example
The refulgent sun lit up the entire valley.
闪亮的太阳照亮了整个山谷。
C2 verb /prɒɡˈnɒstɪkeɪt/

prognosticate

预测
Meaning
To foretell or predict future events, especially based on current signs.
Example
Experts attempted to prognosticate the outcome of the election.
专家们尝试预测选举结果。
C2 noun /ˈtɜːrnkoʊt/

turncoat

叛徒
Meaning
a person who switches allegiance, often betraying a cause or group
Example
He was branded a turncoat after joining the rival political party.
在加入对立的政党后，他被贴上了叛徒的标签。
C2 noun /ˈlænjæp/

lagniappe

额外礼物
Meaning
A small gift or bonus given by a seller to a customer.
Example
The shopkeeper offered a piece of candy as a lagniappe.
店主作为额外礼物提供了一颗糖果。
C2 adjective /ʌnˈspɛərɪŋ/

unsparing

无情的
Meaning
Showing no mercy or generosity; harsh or severe.
Example
The critic was unsparing in his review of the play.
评论家在他的剧评中毫不留情。
C2 noun /ˈɛpəlɛt/

epaulette

肩章
Meaning
A variant spelling of epaulet, also meaning a shoulder ornament, especially on military uniforms.
Example
The officer’s epaulette shone brightly under the sunlight.
军官的肩章在阳光下闪闪发光。
C2 adjective /ˈhʌski/

husky

Meaning
deep, rough, and slightly hoarse voice; also refers to a strong and sturdy build
Example
He spoke in a husky voice after shouting all day.
C2 noun /ˈtælɪzmən/

talisman

护身符
Meaning
An object believed to have magical powers or bring good luck.
Example
He always carried a small talisman in his pocket for luck.
他总是随身携带一个小护身符，以求好运。
C2 noun /ˈbuː.jɒ̃/

bouillon

高汤
Meaning
A clear, seasoned broth made by simmering meat, fish, or vegetables in water.
Example
She added vegetables to the bouillon for extra flavor.
她在高汤中加入了蔬菜以增强味道。
C2 noun, verb /ˈæseɪ/

assay

分析
Meaning
To test or analyze the quality, purity, or content of a substance; the act of such testing.
Example
The scientists assayed the mineral sample for gold content.
科学家们对矿石样本进行了金含量测试。
C2 adjective /daɪˈɜːrnəl/

diurnal

昼行性
Meaning
active during the day; occurring daily
Example
Most birds are diurnal creatures, active in daylight hours.
大多数鸟类是昼行性动物，在白天活跃。
C2 noun /ˈplɛntɪtjuːd/

plentitude

丰富
Meaning
the condition of being full or abundant
Example
The garden offered a plentitude of flowers in spring.
花园在春天提供了丰富的花卉。
C2 noun /ʃəˈɡrɪn/

chagrin

懊悔
Meaning
Distress or embarrassment at having failed or been humiliated.
Example
She left the room in chagrin after forgetting her lines.
她在忘记台词后，带着懊悔离开了房间。
C2 verb /ˈsʌblɪmeɪt/

sublimate

转化为更高的活动
Meaning
to redirect strong emotions or desires into socially acceptable activities or channels
Example
She sublimated her anger into painting beautiful landscapes.
她将愤怒转化为美丽的风景画。
C2 adjective /ˌhæɡ.i.əˈɡræf.ɪk/

hagiographic

过度恭维的
Meaning
Excessively flattering or idealized, often in a biography or portrayal of someone.
Example
The documentary was criticized for its hagiographic portrayal of the leader.
这部纪录片因其对领导者的过度恭维描写而受到批评。
C2 noun /ˈækəlaɪt/

acolyte

Meaning
a follower or assistant, especially in a religious service or as a devoted supporter of a leader
Example
The senator arrived with a small group of acolytes who handled the press.
C2 noun /vɪm/

vim

活力
Meaning
energy and enthusiasm
Example
She performed the dance with great vim and vigor.
她充满活力和热情地表演了这支舞蹈。
C2 noun/verb /læˈsuː/

lasso

套索
Meaning
a rope with a loop used to catch animals; to catch with such a rope
Example
The cowboy lassoed the horse quickly.
牛仔快速用拉索抓住了马。
C2 noun /ˈɛpɪɡræm/

epigram

警句
Meaning
A short, witty saying or poem that expresses an idea in a clever way.
Example
Oscar Wilde was famous for his sharp epigrams.
奥斯卡·王尔德因其犀利的警句而闻名。
C2 noun /bʊr/

Boor

粗人; 粗鲁的人
Meaning
a rough and bad-mannered person; someone who lacks refinement or culture
Example
The wealthy businessman was actually a boor who showed no respect for others.
那位富有的商人实际上是一个粗人，根本没有对别人表示尊重。
C2 adjective /ˌdaɪəˈlɛktɪkəl/

dialectical

辩证
Meaning
Relating to the logical discussion of ideas and opinions.
Example
She took a dialectical approach to solve the complex issue.
她采取了辩证的方法来解决这个复杂的问题。
C2 noun, adjective /ɪˈklɪptɪk/

ecliptic

黄道
Meaning
The apparent path of the sun across the sky; relating to eclipses or this path.
Example
The ecliptic is the plane of Earth's orbit around the Sun.
黄道是地球围绕太阳公转的平面。
C2 adjective /ɪˈrædɪkəbəl/

irradicable

不可根除的
Meaning
not able to be eradicated; impossible to destroy or remove completely
Example
The love of a mother for her child is irradicable.
母亲对孩子的爱是不可根除的。
C2 noun /ˈtjuːtɪlɪdʒ/

tutelage

教导
Meaning
The act of guarding, protecting, or guiding; instruction or teaching.
Example
She studied painting under the tutelage of a famous artist.
她在一位著名艺术家的指导下学习绘画。
C2 adjective /ˌtɛmɪˈrɛəriəs/

temerarious

鲁莽
Meaning
Reckless or rash; showing a lack of caution.
Example
It was a temerarious decision to cross the river during the storm.
在暴风雨中横渡河流是一个鲁莽的决定。
C2 noun /ˌfɪzɪˈɑːkrəsi/

physiocracy

地权主义
Meaning
an economic theory that land and its natural products are the source of wealth
Example
Physiocracy emphasized the importance of agriculture in national wealth.
地权主义强调农业在国家财富中的重要性。
C2 noun /trɪˈplɪs.ə.ti/

triplicity

三重性
Meaning
The state of being triple or consisting of three parts.
Example
The design shows a triplicity of forms combined harmoniously.
设计展示了三重性形式的和谐结合。
C2 adjective /ˈnæti/

natty

时尚
Meaning
Neat, stylish, and fashionable in appearance.
Example
He looked very natty in his new suit.
他在新西装里看起来非常时尚。
C2 noun /ˈnæfθə/

naphtha

石油醚
Meaning
A flammable oil containing hydrocarbons, obtained from petroleum or coal tar, used as fuel or solvent.
Example
The factory stored barrels of naphtha for industrial use.
工厂储存了工业用途的纳夫塔桶。
C2 noun /ɪnˈvɛktɪv/

invective

侮辱性语言
Meaning
Insulting, abusive, or highly critical language.
Example
The politician’s speech was filled with invective against his opponents.
政治家的演讲充满了对对手的侮辱性语言。
C2 noun əˌten.juˈeɪ.ʃən

attenuation

衰减, 减弱, 缩小
Meaning
The reduction of the force, effect, or value of something.
Example
The attenuation of sound waves affects communication.
声音波的衰减会影响通讯。
C2 adjective /ˈɛstɪməbl/

estimable

值得尊敬的
Meaning
Worthy of great respect.
Example
Her estimable achievements inspired the whole community.
她值得尊敬的成就鼓舞了整个社区。
C2 noun /ˌpɛrəɡrɪˈneɪʃən/

peregrination

朝圣之旅
Meaning
A long journey or wandering, especially on foot.
Example
Their peregrination across Asia lasted two years.
他们横跨亚洲的朝圣之旅持续了两年。
C2 verb /məˈkadəˌmaɪz/

macadamize

用碎石覆盖一条道路
Meaning
to construct or cover a road with broken stone
Example
The government decided to macadamize the old rural roads.
政府决定用碎石铺设旧的乡村道路。
C2 noun /ˈpriːskrɪpt/

prescript

规定
Meaning
An authoritative rule or direction; something laid down as a command.
Example
The prescript of the organization required strict punctuality.
该组织的规定要求严格的准时。
C2 verb /drɔːl/

drawl

懒散地说话
Meaning
to speak in a slow, lazy way with prolonged vowel sounds
Example
He tends to drawl when he is tired.
他在累的时候说话会很慢。
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。
C2 noun /ˈriːdʒənt/

regent

摄政王
Meaning
a person who rules in place of a monarch when the monarch is absent or too young
Example
The prince acted as regent until the king came of age.
王子担任摄政直到国王成年。
C2 adjective /ˈpjuːtətɪv/

putative

假定的
Meaning
commonly accepted or supposed; generally regarded as such
Example
He is the putative father of the child.
他是孩子的假定父亲。
C2 noun /dɪˈfoʊliənt/

defoliant

Meaning
a chemical that causes leaves to drop from plants, often used in warfare or agriculture
Example
The army sprayed defoliant to clear the forest cover.
C2 verb /ˈdɪðər/

dither

Meaning
to be indecisive or unable to make a decision
Example
He dithered for hours before choosing a restaurant.
C2 verb /ˈtʃɔːrtl/

chortle

轻松愉快地笑
Meaning
to laugh in a breathy, gleeful way
Example
The audience chortled at the comedian's witty remarks.
观众听到喜剧演员的机智评论后发出咯咯的笑声。
C2 noun, verb /ˈpɑːrli/

parley

谈判
Meaning
a discussion between opposing sides, especially to negotiate terms
Example
The generals met to parley over the terms of surrender.
将军们会面商讨投降的条件。
C2 noun /ˈvæsəl/

vassal

附庸
Meaning
A person or country in a subordinate position to another, especially in feudal times under a lord.
Example
The king granted land to his vassal in return for loyalty and service.
国王为他的附庸提供土地，以换取忠诚和服务。
C2 noun /ˈpɒliˌɑːrki/

polyarchy

多元治理
Meaning
government by many people
Example
Polyarchy allows multiple parties to share power.
多元治理允许多个党派共享权力。
C2 adjective /ˈnjuː.ɡə.tɔːr.i/

nugatory

微不足道
Meaning
Of little or no value; worthless or insignificant.
Example
His efforts were nugatory and did not change the outcome.
他的努力微不足道，未能改变结果。
C2 verb /ˌnɒnˈplʌs/

nonplus

使困惑
Meaning
To surprise and confuse someone so much that they are unsure how to react.
Example
The unexpected question seemed to nonplus the speaker.
这个意外的问题似乎让发言者感到困惑。
C2 noun /vɜːrˈtuː/

virtu

对艺术的爱好
Meaning
a love of or taste for fine art, antiques, or curiosities
Example
The collector’s house was filled with objects of virtu.
收藏家的房子里充满了虚拟的物品。
C2 adjective /ˈsɜːrkəmskraɪbd/

circumscribed

受限的
Meaning
restricted or limited in scope or freedom
Example
Her freedom of choice was circumscribed by social rules.
她的选择自由受社会规则的限制。
C2 adjective /ˈswɔːrði/

swarthy

黝黑的
Meaning
Having a dark complexion or skin tone.
Example
The sailor had a swarthy face from years under the sun.
那个水手的脸因为多年在阳光下工作而变得黝黑。
C2 adjective /ˌnɒnˈtrɪviəl/

nontrivial

非平凡
Meaning
Not simple or easy; requiring effort or significant thought.
Example
Solving the equation turned out to be a nontrivial task.
解决方程被证明是一个非平凡的任务。
C2 adjective /aɪˈdɒlətrəs/

idolatrous

偶像崇拜者
Meaning
Excessively admiring or worshipping someone or something as an idol.
Example
The king was criticized for his idolatrous devotion to wealth.
国王因其对财富的偶像崇拜而受到批评。
C2 noun /ˈbɑːrbərɪzəm/

Barbarism

野蛮
Meaning
extreme cruelty or brutality; absence of culture and civilization
Example
The barbarism of the war crimes shocked the entire international community.
战争罪行的野蛮行为震惊了整个国际社会。
C2 noun /ˈɪl.i.æd/

iliad

伊利亚特
Meaning
An ancient Greek epic poem attributed to Homer, describing the events of the Trojan War.
Example
Students studied the Iliad to understand Greek mythology and heroism.
学生们学习了《伊利亚特》，以理解希腊神话和英雄主义。
C2 adjective /ˌɪmpəˈmɪsəbl/

impermissible

不允许的
Meaning
Not permitted or allowed.
Example
Such behavior is impermissible in the workplace.
这种行为在工作场所是不允许的。
C2 noun /ˈpɒl.i.mæθ/

polymath

博学者
Meaning
a person with knowledge of many different subjects
Example
Leonardo da Vinci was a true polymath, excelling in art, science, and engineering.
列奥纳多·达·芬奇是一个真正的博学者，擅长艺术、科学和工程。
C2 noun /ˌbædɪˈnɑːʒ/

badinage

玩笑，幽默对话
Meaning
Playful and humorous conversation; banter.
Example
The friends enjoyed a light badinage over coffee.
朋友们在咖啡旁享受轻松的玩笑。
C2 noun /ˌpɛdəˈɡɒdʒɪks/

pedagogics

教育学
Meaning
the science or art of teaching
Example
He studied pedagogics to become a better teacher.
他学习了教育学，成为一名更好的教师。
C2 noun /ˌɛpɪˈdɜːrmɪs/

epidermis

皮肤的外层
Meaning
the outer layer of cells covering the body of an organism, especially the skin
Example
The epidermis protects the body from harmful bacteria.
表皮保护身体免受有害细菌的侵害。