dun
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 verb /dʌn/

dun

催讨债务
Meaning
to demand payment of a debt persistently
Example
The landlord dunned the tenant for unpaid rent.
房东一再催促租客支付未付款项。
B1 noun /dɪˈfens/

Defence

防御; 保护
Meaning
the action of defending from or resisting attack; protection or support
Example
The country strengthened its defence system against potential threats.
该国加强了其防御系统，以应对潜在威胁。
C2 verb /dɪˈspɒnd/

despond

沮丧
Meaning
to lose confidence or hope; to become dejected
Example
After repeated failures, he began to despond.
在多次失败后，他开始感到沮丧。
B2 noun /ˈdaʊn.fɔːl/

Downfall

衰退; 失败; 毁灭
Meaning
a loss of power, prosperity, or status; the cause of such a loss
Example
His arrogance and pride led to his eventual downfall in business.
他的傲慢和自豪导致了他在生意中的最终失败。
C2 adjective /dɪˈsɛnʃəs/

dissentious

引起分裂的
Meaning
Causing or likely to cause disagreement and conflict.
Example
His dissentious remarks divided the group further.
他那具有分裂性的评论使得小组更加分裂。
C2 verb /ˌdɪskəˈmoʊd/

discommode

打扰
Meaning
To cause inconvenience or trouble to someone.
Example
I hope my request does not discommode you.
我希望我的请求不会给你带来不便。
C1 noun /djʊˈrɛs/

duress

胁迫
Meaning
threats, violence, or pressure used to force someone to do something
Example
She signed the contract under duress.
她在胁迫下签署了合同。
C2 verb /dɒf/

doff

脱掉（帽子）表示尊敬
Meaning
to take off an item of clothing, especially a hat, as a sign of respect
Example
He doffed his hat as the procession passed.
他在队伍经过时摘下了帽子。
C2 noun /dəˈɡerəˌtaɪp/

daguerreotype

古老的照片
Meaning
An early type of photograph produced on a silver or silver-covered copper plate.
Example
The museum displayed a rare daguerreotype of Abraham Lincoln.
博物馆展出了一张亚伯拉罕·林肯的稀有达盖尔类型照片。
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 adjective /ˈdəʊl.səm/

dolesome

悲伤
Meaning
Filled with grief or sadness; mournful.
Example
The dolesome ballad brought tears to their eyes.
那首悲伤的歌让他们眼中充满了泪水。
C1 adjective /dɪˈbɪl.ɪ.teɪ.tɪŋ/

debilitating

虚弱的
Meaning
Making someone or something weak and infirm.
Example
The disease had a debilitating effect on his health.
该疾病对他的健康产生了衰弱的影响。
B2 noun /ˈdoʊnər/

donor

捐赠者
Meaning
A person who gives something, especially to a charity or cause.
Example
The donor contributed generously to the hospital’s new wing.
捐赠者慷慨地为医院的新翼捐赠了资金。
C1 noun /ˈdek.ə.dəns/

decadence

颓废
Meaning
Moral or cultural decline characterized by excessive indulgence in pleasure or luxury.
Example
The novel describes the decadence of the wealthy elite.
小说描述了富有精英的颓废。
B2 noun /dɪsˈkloʊʒər/

disclosure

披露
Meaning
the action of making something known or public
Example
The disclosure of the company's financial status was delayed.
公司财务状况的披露被延迟了。
C2 noun /ˈdɛskænt/

descant

附加旋律
Meaning
An additional melody or counterpoint sung or played above the main melody.
Example
The choir added a beautiful descant to the hymn.
合唱团为赞美诗添加了一段美丽的附加旋律。
C1 verb /ˈdɛnɪˌɡreɪt/

denigrate

贬低
Meaning
to criticize unfairly; to belittle or disparage someone or something
Example
He was quick to denigrate the achievements of his colleagues.
他很快就贬低了同事们的成就。
C1 verb /dɪsˈpærɪdʒ/

disparage

Meaning
to criticize someone or something in a way that shows a lack of respect
Example
It is unfair to disparage people for their opinions.
C1 adjective /dɪˈlɪriəs/

delirious

得利瑞厄斯
Meaning
in an extremely disturbed or excited state of mind, often due to illness or emotion
Example
He was delirious with fever and kept muttering nonsense.
他因发烧而神志不清，一直在嘟囔胡话。
A1 noun /dɔːr/

Door

门
Meaning
a movable barrier used to close an entrance to a building or room
Example
Please close the door when you leave the room.
离开房间时请关上门。
B1 noun /ˌdek.əˈreɪ.ʃən/

Decoration

装饰; 装饰品; 奖项;
Meaning
the process or art of decorating something; ornamental items used to beautify
Example
The Christmas decoration transformed the ordinary room into a festive wonderland.
圣诞装饰把普通房间变成了一个节日奇境。
C2 adjective /ˌdɒktrɪˈnɛər/

doctrinaire

教条主义者
Meaning
stubbornly devoted to a theory or doctrine without regard to practical considerations
Example
His doctrinaire approach to politics alienated many supporters.
他对政治的教条主义方法使许多支持者感到疏远。
C1 adjective /dɪˈmɒnstrəbl/

demonstrable

可证明的
Meaning
clearly able to be shown or proven
Example
There was demonstrable evidence that he was innocent.
有可证明的证据表明他是无辜的。
C1 noun /ˈdɛdlɒk/

deadlock

僵局
Meaning
a situation in which progress is impossible because of disagreement
Example
Negotiations reached a deadlock after neither side agreed to compromise.
谈判在双方都未同意妥协后陷入了僵局。
A2 noun /dɪˈziːz/

disease

疾病
Meaning
An illness or medical condition that affects the body or mind.
Example
The doctor is researching a cure for the disease.
医生正在研究治疗这种疾病的方法。
C1 noun /dɪˈfjuːʒən/

diffusion

Meaning
the spreading of something more widely or the movement of particles from high to low concentration
Example
The diffusion of information on social media is rapid.
B2 noun /dɪˈveləpər/

developer

开发者
Meaning
a person or company that creates software, buildings, or land projects
Example
She works as a software developer at a tech company.
她在一家技术公司担任软件开发者。
B2 adjective /dɪˈskʌr.ɪ.dʒɪŋ/

Discouraging

令人沮丧的
Meaning
making someone feel less confident or enthusiastic about doing something
Example
The coach's discouraging words affected the team's morale.
教练的令人沮丧的话语影响了球队的士气。
C1 noun/verb /ˈdiːkɔɪ/

decoy

诱饵
Meaning
something or someone used to lure or mislead
Example
The hunters used a wooden duck as a decoy.
猎人们用一只木鸭作为诱饵。
B2 adjective /dɪˈtætʃt/

detached

分离的, 疏远的
Meaning
separate or disconnected; showing a lack of emotional involvement
Example
He lived in a detached house away from the city.
他住在远离城市的分离房子里。
B2 noun /ˈdiː.lɪŋ/

Dealing

交易; 对待; 事务处理
Meaning
business transactions; the way of treating people or handling situations
Example
His fair dealing with customers earned him an excellent reputation.
他与客户的公平交易为他赢得了极好的声誉。
C1 adjective dɪ ˈskrɛʃ.ən.er.i

discretionary

酌情
Meaning
Available for use at the discretion of the user; not required or mandatory.
Example
He set aside some discretionary income for travel.
他为旅行留出了一些酌情收入。
C1 verb /dɪsˈlɒdʒ/

dislodge

赶走
Meaning
To remove or force out from a position, especially one that is fixed or hard to move.
Example
The troops dislodged the enemy from the hill.
部队把敌人从山丘上赶了下去。
C1 noun dɪˌtɪə.ri.əˈreɪ.ʃən

deterioration

恶化
Meaning
The process of becoming progressively worse; decline in quality, condition, or strength.
Example
Poor maintenance leads to material deterioration.
不良维护导致材料恶化。
A2 noun /dʌk/

Duck

鸭子
Meaning
a waterbird with webbed feet and a broad flat bill
Example
The duck swam gracefully across the lake.
那只鸭子优雅地游过湖面。
B2 verb /dɪˈfaɪ/

defy

反抗
Meaning
to openly resist or refuse to obey someone or something; to challenge or dare someone to do something
Example
The protesters continued to defy the government's ban on public gatherings.
抗议者继续挑战政府对公共集会的禁令。
C2 verb /ˈdɛpjʊˌtaɪz/

deputize

任命为副职
Meaning
To appoint someone as a deputy; to act as a substitute or representative.
Example
The sheriff decided to deputize several locals to help maintain order.
治安官决定指派几位当地人以帮助维持秩序。
C1 noun /drɑːft/ (UK), /dræft/ (US)

draught

Meaning
a current of cool air in a room or another confined space; also a portion of liquid, especially beer, served from a barrel or cask
Example
She closed the window to keep out the cold draught.
C2 noun /dɛnˈdrɒlədʒi/

dendrology

Meaning
the scientific study of trees and woody plants
Example
He is studying dendrology at the university.
C1 noun /ˌdɜːrməˈtɑːlədʒɪst/

dermatologist

皮肤科医生
Meaning
A doctor who specializes in the treatment of skin diseases.
Example
She consulted a dermatologist for her skin allergy.
她因皮肤过敏去咨询了皮肤科医生。
C1 adjective /ˌdɪsɪnˈdʒɛnjʊəs/

disingenuous

虚伪的
Meaning
not candid or sincere; giving a false appearance of honesty or openness
Example
She gave a disingenuous excuse for missing the meeting.
她给出了一个虚伪的借口来错过会议。
B1 adjective /ˈdɛdɪˌkeɪtɪd/

dedicated

专心致志
Meaning
devoted to a cause, task, or purpose
Example
She is a dedicated teacher who goes above and beyond for her students.
她是一位献身的教师，为她的学生竭尽全力。
C2 noun /dɪˈstɪlər/

distiller

蒸馏师
Meaning
A person or company that makes alcoholic drinks or purified liquids by distillation.
Example
The distiller introduced a new brand of whiskey last year.
蒸馏师在去年推出了一款新品牌的威士忌。
B2 noun /dɔːn/

Dawn

黎明
Meaning
the first appearance of light in the sky before sunrise; the beginning or start of something
Example
The fishermen set out to sea before dawn to catch the morning tide.
渔民们在黎明前出海，赶上早潮。
C2 noun /ˈdɪfɪdəns/

diffidence

缺乏自信
Meaning
Lack of self-confidence; shyness or modesty.
Example
Her diffidence made it hard for her to speak in public.
她的缺乏自信让她很难在公众面前发言。
B2 adjective /ˈdræs.tɪk/

Drastic

剧烈的; 严重的; 产生强烈或深远影响的
Meaning
extreme; severe; having a strong or far-reaching effect
Example
The company took drastic measures to reduce costs.
公司采取了剧烈的措施来减少成本。
C2 noun /ˌdɛd ˈhiːt/

dead-heat

平局
Meaning
a race or contest in which two or more competitors finish exactly equal
Example
The race ended in a dead-heat between the two runners.
比赛在两名跑者之间以平局结束。
C2 adjective /ˈdɛsəlˌtɔːri/

desultory

杂乱无章
Meaning
lacking a clear plan, purpose, or enthusiasm
Example
His desultory conversation bored the audience.
他那杂乱无章的谈话让观众感到无聊。
C2 verb /ˈdʌv.teɪl/

dovetail

完美契合
Meaning
to fit or combine perfectly together
Example
Her plans dovetail perfectly with our goals.
她的计划与我们的目标完美契合。
B1 verb/noun /ˈdiːkriːs/ (noun), /dɪˈkriːs/ (verb)

decrease

Meaning
To become or make something smaller or fewer in number, amount, or degree.
Example
The population of the town has decreased over the years.
C2 noun /ˈdeɪ.mæn/

day-man

日工
Meaning
a worker employed by the day; a day laborer
Example
The farmer hired a day-man to help with the harvest.
农民雇佣了一个日工来帮助收割。
C1 verb /ˈdɛsɪmeɪt/

decimate

摧毁
Meaning
To destroy or kill a large proportion of something.
Example
The wildfire decimated the forest.
火灾摧毁了森林。
C1 noun /ˌdɪsəˈluːʃən/

dissolution

解散
Meaning
the act of formally ending or breaking apart something, such as an organization or marriage
Example
The dissolution of the company was announced yesterday.
公司解散的消息昨天公布。
C1 verb /dɪsˈmæntəl/

dismantle

拆解
Meaning
to take apart; to remove or destroy the parts of
Example
Workers will dismantle the old bridge next month.
工人们将在下个月拆除旧桥。
B1 noun /ˈdɛdˌlaɪnz/

deadlines

最后期限
Meaning
The latest time or date by which something should be completed.
Example
Setting deadlines helps finish tasks.
设定最后期限有助于完成任务。
C1 noun, adjective /dɪˈrɪvətɪv/

derivative

衍生物
Meaning
Something that is based on another source; in math, a measure of how a function changes.
Example
The film was criticized for being too derivative of earlier works.
这部电影因过于模仿早期作品而受到批评。
B2 verb /ˌdɪfəˈrɛnʃieɪt/

differentiate

区分
Meaning
To recognize or make a distinction between things.
Example
It is important to differentiate between fact and opinion.
重要的是区分事实和意见。
C1 verb diːˈsɛn.sɪ.taɪz

desensitize

脱敏
Meaning
To make someone less sensitive or reactive to something through repeated exposure.
Example
Constant exposure to violence can desensitize people.
持续的暴力暴露可能会使人们麻木。
C2 adverb /ˈdɑːrklɪŋ/

darkling

在黑暗中
Meaning
In the dark or growing dark; dimly.
Example
The forest creatures moved darkling through the night.
森林生物在夜晚穿越黑暗。
B2 noun /dɪsˈrʌp.ʃən/

disruption

中断
Meaning
Barrier or interruption, sudden disturbance in any process or service.
Example
The road construction caused major disruption in traffic flow.
道路建设导致交通流量的大规模中断。
A2 verb /drɔː/

draw

画
Meaning
to create pictures or designs with a pencil or pen
Example
She draws beautiful landscapes in her spare time.
她在空闲时间画美丽的风景。
B2 noun /ˈdrʌm.stɪk/

Drumstick

莫林加荚
Meaning
long green pod vegetable from moringa tree; nutritious vegetable used in curries
Example
The drumstick adds a unique flavor to the traditional fish curry.
鼓槌为传统鱼咖喱增添了独特的风味。
C1 noun /dɪˈsaɪ.pəl/

Disciple

弟子; 信徒
Meaning
a follower and student of a teacher, leader, or philosopher; devoted follower
Example
The famous philosopher had many disciples who spread his teachings worldwide.
那位著名的哲学家有许多弟子，他们将他的教义传播到世界各地。
C1 noun /ˌdɪspəˈzɪʃən/

disposition

Meaning
A person's usual attitude or temperament; arrangement or tendency.
Example
She has a cheerful disposition despite the difficulties.
C1 verb /ˌdɪsəˈsɛmbəl/

disassemble

拆开
Meaning
To take apart something into its separate pieces.
Example
He had to disassemble the computer to repair it.
他必须拆开电脑来修理它。
B2 noun /ˈdɪɡ.nə.ti/

Dignity

尊严，尊重，自尊
Meaning
the state of being worthy of honor or respect; composure and self-respect
Example
Despite facing hardships, she maintained her dignity throughout the ordeal.
尽管面临困难，她在整个考验过程中保持了尊严。
C1 noun, verb /dɪsˈɑːnər/

dishonor

Meaning
a state of shame or loss of respect; to bring shame upon someone or something
Example
The soldier felt he had brought dishonor to his family.
C1 noun /djuːˈɛt/

duet

二重奏
Meaning
a musical performance by two singers or instrumentalists
Example
They sang a beautiful duet together on stage.
他们在舞台上共同演唱了一首美丽的二重奏。
C1 noun ˈdɪk.ʃən

diction

发音和词语选择
Meaning
The style of pronunciation and word choice in speaking or writing.
Example
A strong diction enhances communication skills.
强有力的发音增强了沟通技巧。
B2 noun /ˈdɔː.weɪ/

doorway

门口
Meaning
the space where a door opens into a room or building
Example
She stood in the doorway waiting for him to arrive.
她站在门口，等待他的到来。
C2 verb /diːˈlɪmɪt/

delimit

划定
Meaning
to fix the boundaries or limits of something
Example
The treaty was signed to delimit the borders of the two countries.
该条约被签署以划定两国的边界。
C2 noun /ˈdræɡˌnɛt/

dragnet

大规模搜捕
Meaning
A systematic search or investigation, often by police to catch criminals.
Example
The police launched a dragnet to capture the fugitives.
警察发起了大规模搜捕，试图抓捕逃犯。
C1 adjective /dɪˈskriːt/

discrete

离散的
Meaning
individually separate and distinct
Example
The course is divided into three discrete modules.
该课程被划分为三个离散模块。
C2 noun /ˈdʌblɪt/

doublet

双件外套 / 紧身夹克
Meaning
a close-fitting jacket worn by men in the Renaissance; also, a pair of similar things
Example
The actor wore a velvet doublet for the Shakespearean play.
演员为莎士比亚的戏剧穿了一件天鹅绒的达布雷特。
A2 noun /ˈdiː.teɪl/

detail

细节
Meaning
An individual feature, fact, or item of information.
Example
She explained the plan in great detail.
她详细解释了计划。
A2 noun /ˈdraɪ.vər/

Driver

司机
Meaning
a person who operates a motor vehicle
Example
The taxi driver knew all the shortcuts through the busy city.
出租车司机知道通过繁忙城市的所有捷径。
C1 noun /dɪˈrɪʒən/

derision

嘲笑
Meaning
Contemptuous ridicule or mockery.
Example
His ideas were greeted with derision by the audience.
他的观点被观众嘲笑了。
C1 noun /ˈdaɪəˌlɛkt/

dialect

方言
Meaning
A particular form of a language spoken in a specific region or by a specific group.
Example
He speaks a dialect of Bengali that is common in rural areas.
他讲的是一种在农村地区常见的孟加拉语方言。
C1 verb /ˌdɪsˈmaʊnt/

dismount

下马
Meaning
to get off or down from something, especially a horse, bicycle, or motorcycle
Example
The rider dismounted from the horse after a long journey.
骑手在长途旅行后下马。
A2 noun /dɪˈzaɪnər/

designer

设计师
Meaning
a person who plans and creates the form or structure of something
Example
The fashion designer presented her new collection.
时尚设计师展示了她的新系列。
B1 noun /ˈded.laɪn/

Deadline

最后期限;
Meaning
the latest time or date by which something should be completed
Example
The deadline for submitting the project is next Friday.
提交项目的截止日期是下周五。
C2 noun /ˌdaɪvəˈɡeɪʃən/

divagation

偏离
Meaning
digression; wandering from a path or subject
Example
His lecture was full of divagation, making it hard to follow the main point.
他的演讲充满了偏离主题的内容，使得很难跟上主要论点。
C1 noun /ˌdep.rɪˈveɪ.ʃən/

deprivation

剥夺，缺乏，匮乏
Meaning
The damaging lack of material benefits considered to be basic necessities in a society.
Example
Sleep deprivation affects cognitive function.
睡眠不足影响认知功能。
C1 verb /dɪˈteɪn/

detain

Meaning
to keep someone from proceeding; to hold back, especially by official authority
Example
The police detained the suspect for questioning.
B2 noun/verb /dɪˈspjuːt/

dispute

争议, 争论
Meaning
a disagreement or argument about something important
Example
The two countries are in dispute over the border issue.
两个国家在边界问题上存在争议。
C2 noun /ˌdɛspəˈrɑːdoʊ/

desperado

Meaning
A bold, reckless, or dangerous person, often a criminal.
Example
The sheriff was determined to capture the desperado who terrorized the town.
C2 noun /ˈdrɪvəl/

drivel

胡言乱语
Meaning
silly or nonsensical talk
Example
The politician’s speech was full of meaningless drivel.
政治家的演讲充满了无意义的胡言乱语。
C2 adjective /ˈdɔːnt.ləs/

dauntless

无畏的，勇敢的，坚定的
Meaning
Showing fearlessness and determination; brave and resolute.
Example
The dauntless soldier fought against all odds.
无畏的士兵与所有困境作斗争。
C1 adjective /dɪˈlæpɪˌdeɪtɪd/

dilapidated

破旧的
Meaning
Fallen into disrepair or ruin due to neglect or age.
Example
The family lived in a dilapidated house at the edge of town.
这个家庭住在城市边缘的一座破旧的房子里。
C1 adjective /dɪˈmɪnjətɪv/

diminutive

极小的
Meaning
extremely or unusually small
Example
Despite his diminutive size, he was a powerful leader.
尽管他的体型极小，他仍然是一个强大的领导者。
B2 adjective /ˈdæz.lɪŋ/

Dazzling

耀眼的; 令人印象深刻的
Meaning
extremely bright and impressive; brilliant and stunning
Example
The dazzling lights of the city amazed the tourists.
城市的耀眼灯光让游客感到惊讶。
C2 verb /diːˈmæɡnɪtaɪz/

demagnetize

去磁
Meaning
To remove or reduce the magnetic properties of something.
Example
The technician demagnetized the old cassette tape.
技术员去掉了老磁带的磁性。
B2 adjective/noun ˌdem.əˈɡræf.ɪk

demographic

人口统计学的
Meaning
Relating to the structure of populations; statistical data relating to the population and particular groups within it.
Example
The company analyzes demographic trends before launching a product.
公司在推出产品之前会分析人口统计学趋势。
C2 verb /ˈdɛpɪleɪt/

depilate

脱毛
Meaning
to remove hair from the skin, especially by mechanical or chemical means
Example
She decided to depilate her legs before the event.
她决定在活动前脱毛她的腿。
C2 noun /dɪˈdʒɛnərəsi/

degeneracy

堕落
Meaning
The state of decline or deterioration, often in moral, cultural, or physical qualities.
Example
The novel portrays the moral degeneracy of a corrupt society.
这部小说描绘了一个腐化社会的道德堕落。
B2 noun /ˈdiːtʊr/

detour

绕行
Meaning
A longer or less direct route taken to avoid something or reach a destination.
Example
We had to take a detour because the main road was closed.
因为主干道封闭，我们不得不绕行。
B2 noun dɪˈplɔɪmənt

deployment

部署
Meaning
The action of bringing resources into effective action.
Example
The deployment of the new software was completed successfully.
新软件的部署成功完成。
B2 noun daɪˈlem.ə

dilemma

困境, 难题
Meaning
A situation in which a difficult choice has to be made between two or more alternatives.
Example
She faced a moral dilemma at work.
她在工作中面临道德困境。
B1 adjective dəˈmes.tɪk

domestic

国内的
Meaning
Existing or occurring inside a particular country; not foreign or international.
Example
Domestic investments stabilize the economy.
国内投资稳定经济。
C2 verb /dɪˈskraɪ/

descry

远远看到
Meaning
to catch sight of something, especially something distant or obscure
Example
From the hilltop, they descried a small village in the distance.
从山顶上，他们看见了远处的一个小村庄。
B1 verb /dɪˈtɜːrmɪn/

determine

确定
Meaning
to decide; to find out exactly
Example
We must determine the cause of the problem.
我们必须确定问题的原因。
B2 verb /dɪˈzɒlv/

dissolve

Meaning
to melt or become liquid; to officially end or break up an agreement or organization
Example
The sugar will dissolve quickly in hot tea.
C2 adjective /dɪˈfjuːzəbl/

diffusible

可扩散的
Meaning
able to spread or be spread through a medium
Example
Oxygen is diffusible through cell membranes.
氧气可以通过细胞膜扩散。
A2 verb /dəˈrɛkt/ or /daɪˈrɛkt/

direct

指导
Meaning
to manage or control the course of something; to give instructions
Example
She directed the team to complete the project on time.
她指示团队按时完成项目。
B2 verb /dɪˈnaʊns/

denounce

谴责
Meaning
To publicly declare something to be wrong, evil, or condemn strongly.
Example
The leader denounced corruption in his speech.
领导人在他的演讲中谴责了腐败。
C1 verb /dɪsˈoʊn/

disown

放弃关系
Meaning
to refuse to acknowledge or accept responsibility for someone or something
Example
He decided to disown his reckless brother.
他决定与他的鲁莽兄弟断绝关系。
C2 adjective /dɪˈluːsɪv/

delusive

虚假的
Meaning
Giving a false or misleading impression; deceptive.
Example
His promises turned out to be delusive and untrustworthy.
他的承诺被证明是具有误导性的和不可信的。
C1 noun /ˈdɛməɡɒɡ/

demagogue

民粹主义者
Meaning
A political leader who seeks support by appealing to popular desires and prejudices rather than by using rational argument.
Example
The crowd was swayed by the fiery speeches of the demagogue.
人群受到了民粹主义者激烈演讲的影响。
C1 verb /daɪˈvʌldʒ/

divulge

透露
Meaning
to make known something private, secret, or previously unknown
Example
She refused to divulge the source of her information.
她拒绝透露她信息的来源。
C2 noun /dɪˌlæpɪˈdeɪʃən/

dilapidation

破败
Meaning
The state of disrepair or ruin as a result of neglect.
Example
The old temple was in a state of dilapidation.
这座古老的寺庙处于破败状态。
B2 noun /ˈdɛməˌkræt/

democrat

民主党人
Meaning
a supporter of democracy or a member of the Democratic Party in the US
Example
He is a strong democrat who believes in equal rights.
他是一个坚强的民主党人，相信平等的权利。
C2 verb /dɪsˈbɜːrs/

disburse

分配
Meaning
to pay out money, especially from a fund
Example
The organization will disburse the funds to the affected families.
该组织将把资金分配给受影响的家庭。
C1 verb /dɛlv/

delve

Meaning
To investigate deeply; to dig into a subject or area.
Example
The researcher delved into ancient manuscripts to find clues.
C1 noun /ˈdæɡ.ər/

Dagger

匕首
Meaning
a short knife with a pointed blade used as a weapon
Example
The ancient warrior carried a silver dagger.
古代战士携带着一把银色匕首。
C2 noun /dɪˈbɔːtʃəri/

debauchery

堕落
Meaning
excessive indulgence in sensual pleasures; corruption or vice
Example
The novel depicts the debauchery of the aristocrats in the city.
这本小说描写了城市中贵族的堕落。
B2 noun /ˈdɛsɪməl/

decimal

十进制
Meaning
A number system based on 10; a number expressed in the base-10 system.
Example
The number 0.75 is a decimal.
数字0.75是一个十进制数。
B2 adjective /ˈdʌsti/

dusty

满是灰尘的
Meaning
covered with or full of dust; dry and dull from lack of moisture or use
Example
The old bookshelf was dusty after years of neglect.
多年无人打理后，这个旧书架满是灰尘。
B2 noun /dɪˈfɛndər/

defender

防守者
Meaning
a person who protects someone or something from harm or attack
Example
The defender blocked the shot and saved the goal.
防守者挡住了射门并拯救了进球。
B2 noun /ˈdraɪv.weɪ/

driveway

车道
Meaning
a short private road leading from a street to a house or garage
Example
The car was parked in the driveway next to the garden.
车子停在花园旁的车道上。
C1 noun /ˈdeɪtəm/ or /ˈdætəm/

datum

数据
Meaning
a single piece of information; a fact used as a basis for reasoning or calculation
Example
Each datum in the survey was carefully analyzed.
调查中的每一条数据都经过仔细分析。
B2 verb /dɪˈmɒlɪʃ/

demolish

拆除
Meaning
to destroy completely, especially a building or structure
Example
The city decided to demolish the old stadium to build a new one.
这座城市决定拆除旧体育场，建造一个新的。