iconoclast
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 /aɪˈkɒnəklæst/

iconoclast

破坏偶像者
Meaning
A person who attacks or criticizes cherished beliefs, traditions, or institutions.
Example
He was known as an iconoclast who challenged old traditions.
他被认为是一个破坏偶像者，挑战旧传统。
C2 verb /ɪˈmjʊər/

immure

囚禁
Meaning
to confine or enclose someone against their will
Example
The prisoner was immured in a dark cell.
囚犯被禁闭在一个黑暗的牢房里。
B2 verb /ɪmˈprɪzən/

imprison

囚禁
Meaning
to put someone in prison; to confine or restrict someone's freedom
Example
The judge imprisoned the criminal for five years.
法官把罪犯囚禁了五年。
B2 adjective /ɪnˈædɪkwət/

inadequate

不充分
Meaning
Not sufficient or good enough.
Example
The funding was inadequate to complete the project.
资金不足以完成项目。
C1 noun /ˈɪn.tə.lekt/

intellect

智力
Meaning
The ability to think, reason, and understand objectively.
Example
Her intellect is admired by all her colleagues.
她的智力受到所有同事的赞赏。
A2 adjective/noun /ˈɪndiən/

indian

印度的
Meaning
Relating to India, its people, or their culture.
Example
She loves Indian food, especially biryani.
她喜欢印度食物，特别是比尔亚尼。
B2 adjective /ˌɪd.iˈɒt.ɪk/

Idiotic

愚蠢
Meaning
extremely stupid; foolish; senseless
Example
His idiotic behavior embarrassed everyone at the meeting.
他的愚蠢行为让会议上的所有人感到尴尬。
C2 adjective /ɪmˈperɪʃəbəl/

Imperishable

永恒的; 不朽的; 不会腐烂的
Meaning
not subject to decay; lasting forever; eternal
Example
The imperishable beauty of classical art continues to inspire generations.
经典艺术的永恒美丽继续激励着一代又一代。
C1 adjective /ˈɪnərmoʊst/

Innermost

最深的; 最个人的
Meaning
most private and secret; deepest; most personal
Example
She shared her innermost feelings with her closest friend.
她与最亲密的朋友分享了她最深的感受。
C2 adjective /ɪnˈkɒŋɡruənt/

incongruent

不一致的
Meaning
Not in harmony or keeping with the surroundings or other aspects.
Example
His casual outfit looked incongruent at the formal dinner.
他穿的休闲装在正式晚宴上显得不一致。
B2 adjective /ɪnˈtriːɡɪŋ/

intriguing

非常有趣和不寻常；激发好奇心
Meaning
very interesting and unusual; arousing curiosity
Example
The movie has an intriguing plot that keeps the audience hooked.
这部电影有一个引人入胜的情节，吸引着观众。
C1 noun ˌɪm.pʌlˈsɪv.ɪ.ti

impulsivity

冲动性
Meaning
The tendency to act quickly and without thought or care; lack of self-control.
Example
His impulsivity led him to make reckless choices.
他的冲动性让他做出了鲁莽的决定。
C2 noun /ˌɪn.strəˈmɛn.təl.ɪst/

instrumentalist

乐器演奏者
Meaning
A person who plays a musical instrument.
Example
The instrumentalist played a beautiful solo on the violin.
乐器演奏者在小提琴上演奏了一首美丽的独奏曲。
C2 adjective /aɪˈsɒ.krə.nəs/

isochronous

等时间间隔发生
Meaning
Occurring at equal time intervals; in unison or synchrony.
Example
The pendulum swings are isochronous, repeating at equal intervals.
摆锤的摆动是等时性的，在相等的时间间隔重复。
C1 noun /ˈɪnsɪdəns/

incidence

事件发生率
Meaning
the occurrence, rate, or frequency of something
Example
The incidence of road accidents has decreased this year.
今年道路事故的发生率有所下降。
B2 adjective /ˈaɪ.dəl/

Idle

懒惰的; 不活跃的; 没有工作的
Meaning
lazy; inactive; not working or being used
Example
The factory workers were idle during the strike.
工厂工人在罢工期间闲置。
B2 noun /ɪnˈfek.ʃən/

Infection

感染
Meaning
the process of infecting or the state of being infected; a disease caused by germs
Example
The doctor prescribed antibiotics to treat the bacterial infection in her throat.
医生开了抗生素来治疗她喉咙的细菌感染。
B2 adjective ɪnˈev.ɪ.tə.bəl

inevitable

不可避免的
Meaning
Certain to happen; unavoidable.
Example
Death is an inevitable part of life.
死亡是生命中不可避免的一部分。
A2 verb /ɪnˈkluːd/

include

包括
Meaning
to have as part of a whole; to contain or comprise
Example
The price includes all taxes.
价格包含所有税费。
C2 verb /ɪnˈdɒktrɪˌneɪt/

indoctrinate

灌输
Meaning
To teach someone to fully accept a set of beliefs or ideas without question.
Example
The regime tried to indoctrinate the youth with propaganda.
该政权试图通过宣传对年轻人进行洗脑。
C1 verb /ɪmˈplɔːr/

implore

Meaning
To beg someone earnestly or desperately to do something.
Example
She implored him to stay with her.
B2 noun, verb /ɪntʃ/

inch

英寸 / 缓慢移动
Meaning
A unit of length equal to 2.54 centimeters; or to move slowly and carefully in small amounts.
Example
She inched closer to the edge of the stage.
她慢慢靠近舞台的边缘。
B2 noun /ɪnˈsɪstəns/

insistence

坚持
Meaning
the act of demanding something firmly or repeatedly
Example
At his insistence, we stayed longer.
在他的坚持下，我们待得更久。
C1 noun /ˈɪn.trə.vɜːrt/

introvert

内向
Meaning
A person who tends to be shy and prefers spending time alone rather than in groups.
Example
As an introvert, he preferred reading over attending parties.
作为一个内向的人，他更喜欢读书而不是参加派对。
C1 noun /ˌɪn.trəˈspek.ʃən/

introspection

内省
Meaning
The examination or observation of one's own mental and emotional processes; self-reflection.
Example
Through introspection, she gained insight into her emotions.
通过内省，她对自己的情感有了更深刻的理解。
C1 verb /ɪnˈkrɪmɪˌneɪt/

incriminate

使犯罪
Meaning
to make someone appear guilty of a crime or wrongdoing
Example
The new evidence could incriminate the suspect in the robbery case.
新证据可能会让嫌疑犯在抢劫案件中使犯罪。
C2 adjective ˌɪm.pəˈtɜː.bə.bəl

imperturbable

沉着冷静
Meaning
Unable to be upset or excited; not easily disturbed.
Example
His imperturbable nature made him a great leader.
他沉着冷静的性格使他成为了一个伟大的领导者。
C1 noun ˌɪn.ɪˈfɪʃ.ən.si

inefficiency

低效率
Meaning
The state or quality of not achieving maximum productivity; failure to make the best use of time or resources.
Example
Government inefficiency leads to slow project completion.
政府低效率导致项目完成缓慢。
B2 adjective /ˌɪntərˈmiːdiət/

intermediate

中级
Meaning
Coming between two things in time, place, or order; in the middle level or stage.
Example
She is taking an intermediate-level French course.
她正在上一个中级法语课程。
C1 adverb /ˌɪnsɪˈdɛntəli/

incidentally

顺便
Meaning
by the way; used to introduce a remark not directly related to the main subject
Example
Incidentally, did you know that she studied in Paris?
顺便问一下，你知道她曾经在巴黎学习吗？
B2 verb /ɪnˈhæbɪt/

inhabit

栖息
Meaning
to live in; to occupy as a dwelling
Example
Many animals inhabit the forest.
许多动物栖息在森林中。
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 /ɪnˈsɛndiˌɛri/

incendiary

煽动性的 / 挑衅的
Meaning
designed to cause fires or stir up conflict
Example
The politician’s incendiary remarks angered the crowd.
政治家的挑衅性言论激怒了人群。
B2 noun ɪnˈdʒʌstɪs

injustice

不公正
Meaning
Lack of fairness or justice; the practice of being unjust or unfair.
Example
The story portrays the injustices faced by the common people.
故事描绘了普通人面临的不公正。
B2 noun ˌɪn.fləˈmeɪ.ʃən

inflammation

炎症
Meaning
A localized physical condition in which part of the body becomes reddened, swollen, hot, and often painful.
Example
Chronic inflammation can lead to severe diseases.
慢性炎症可能导致严重的疾病。
C1 noun /ˌɪməˈrælɪti/

immorality

不道德
Meaning
the quality of being immoral; behavior that violates accepted moral standards
Example
The community condemned the immorality of the corrupt officials.
社会谴责了腐败官员的不道德行为。
C1 adjective /ɪnˈvɛntɪv/

inventive

富有创意的
Meaning
Having the ability to create or design new things or to think originally.
Example
The inventor was known for his inventive solutions to everyday problems.
发明家以其富有创意的解决方案而闻名。
C2 verb /ɪmˈpeɪl/

impale

刺穿
Meaning
to pierce or fix something with a sharp object
Example
The knight was impaled by the enemy’s spear.
骑士被敌人的长矛刺穿。
C1 adjective /ˈɪnsələnt/

insolent

无礼的, 傲慢的
Meaning
showing a rude and arrogant lack of respect
Example
The insolent student refused to follow the teacher's instructions.
那个无礼的学生拒绝听从老师的指示。
C1 verb /ˌɪntərˈsɛpt/

intercept

Meaning
to stop, catch, or seize something on its way from one place to another
Example
The police intercepted the stolen car before it crossed the border.
C1 noun ɪnˌten.sɪ.fɪˈkeɪ.ʃən

intensification

强化
Meaning
The process of becoming or making something more intense or extreme.
Example
The intensification of climate change requires urgent action.
气候变化的强化需要紧急行动。
C1 adjective /ɪˈmoʊbəl/

immobile

无法移动
Meaning
unable to move or be moved
Example
After the accident, he was immobile for weeks.
事故发生后，他几周都无法移动。
C1 noun /ˈɪn.fən.tri/

Infantry

步兵
Meaning
soldiers marching or fighting on foot; foot soldiers collectively
Example
The infantry advanced across the battlefield on foot.
步兵在战场上走路前进。
C1 noun /ˌɪmpɔːrˈteɪʃən/

importation

进口
Meaning
The act of bringing goods or services into a country from abroad
Example
The importation of luxury goods is strictly regulated.
奢侈品的进口受到严格监管。
B2 noun /ˌɪmpərˈfɛkʃən/

imperfection

不完美
Meaning
a flaw, defect, or weakness; the state of being imperfect
Example
She accepted her imperfection as part of being human.
她接受了自己的不完美，作为人性的一部分。
C1 verb /ɪˈluːmɪneɪt/

illuminate

照亮
Meaning
To light up or make something clearer.
Example
Streetlights illuminate the road at night.
路灯在夜晚照亮了道路。
C2 adjective /ˌɪndɪˈsɒljʊbl/

indissoluble

不可分割的
Meaning
Unable to be destroyed, broken, or dissolved.
Example
Marriage was once considered an indissoluble bond.
婚姻曾被视为不可分割的纽带。
C1 adjective /ˌɪndɪˈskrɪmɪnət/

indiscriminate

不加区分的
Meaning
Done without careful judgment; random or haphazard.
Example
The indiscriminate use of pesticides harms the environment.
滥用杀虫剂对环境造成了伤害。
C1 noun ˈɪm.pɪ.təs

impetus

推动力
Meaning
The force or motivation that drives something forward; momentum.
Example
The new policy provided an impetus for economic growth.
新政策为经济增长提供了推动力。
C1 adjective /ɪnˈhjuːmən/

Inhuman

不人道的
Meaning
lacking human qualities; cruel; brutal; savage
Example
The dictator's inhuman treatment of prisoners shocked the international community.
独裁者对囚犯的非人道待遇震惊了国际社会。
C1 adjective /ɪˈlɒdʒ.ɪ.kəl/

Illogical

不合逻辑的
Meaning
not reasonable or sensible; lacking logic
Example
It would be illogical to go swimming in such cold weather.
在这么冷的天气下游泳是不合逻辑的。
B2 verb ɪmˈpoʊz

imposes

强加
Meaning
To establish or apply by authority; to force something unwelcome or unfamiliar to be accepted or put in place.
Example
Pollution imposes harmful effects on the environment.
污染对环境施加了有害的影响。
C2 adjective ɪˈnɛfəbl

ineffable

难以形容
Meaning
Too great or extreme to be expressed or described in words.
Example
The beauty of the landscape was ineffable.
景色的美丽是难以形容的。
C2 noun /ˈaɪdlər/

idler

懒汉
Meaning
A person who avoids work or spends time lazily.
Example
He was known as an idler who wasted his days.
他被称为一个懒汉，浪费了他的日子。
C1 adjective /ˌɪnstənˈteɪniəs/

instantaneous

即时
Meaning
Happening immediately, without any delay.
Example
The change in temperature was almost instantaneous.
温度变化几乎是即时的。
C1 adjective /ɪnˈsʌf.ər.ə.bəl/

insufferable

无法忍受
Meaning
Too extreme to bear; intolerable.
Example
The heat during the summer was insufferable.
夏天的炎热是无法忍受的。
C2 noun /ˈɪɡ.nəˌmɪn.i/

ignominy

耻辱
Meaning
Public shame, disgrace, or dishonor.
Example
He lived the rest of his life in ignominy after the scandal.
他在丑闻后余生都活在耻辱中。
C1 noun ɪnˈsɛpʃən

inception

开端
Meaning
The establishment or starting point of an institution or activity.
Example
The inception of the company marked a new era in the industry.
公司的创始标志着行业的新纪元。
C1 adjective ɪnˈdʒiː.ni.əs

ingenious

巧妙
Meaning
Showing inventiveness and skill; clever, original, and inventive.
Example
His ingenious ideas transformed modern physics.
他的巧妙想法改变了现代物理学。
C1 adjective /ɪnˈkɒmp(ə)rəbl/

incomparable

无可比拟
Meaning
Without an equal in quality or excellence; matchless.
Example
The view from the mountain was incomparable.
山顶的景色无可比拟。
C2 adjective /ɪnˈsɛnseɪt/

insensate

无情的
Meaning
lacking physical sensation or empathy; without feeling or sensitivity
Example
The dictator's insensate cruelty shocked the world.
独裁者的无情残忍震惊了世界。
C1 adjective /ˌɪndɪˈfɛnsəbl̩/

indefensible

无法辩护
Meaning
not able to be protected or justified
Example
The minister’s remarks were considered indefensible by the public.
部长的言论被公众视为无法辩护。
B2 verb /ɪmˈpoʊz/

impose

强加
Meaning
to force someone to accept something; to establish or apply by authority
Example
The government imposed new taxes on luxury goods.
政府对奢侈品征收了新税。
A1 pronoun /ɪts/

its

它的
Meaning
Belonging to or associated with a thing previously mentioned.
Example
The company changed its logo last year.
公司去年更改了它的标志。
C1 adjective /ɪnˈtjuː.ɪ.tɪv/

intuitive

直觉的
Meaning
Based on instinctive understanding rather than reasoning.
Example
The software has an intuitive design that makes it easy to use.
该软件具有直观的设计，使其易于使用。
A2 noun /ˈɪn.sekt/

Insect

昆虫
Meaning
a small invertebrate animal with six legs and usually one or two pairs of wings
Example
The butterfly is a beautiful insect that flies from flower to flower.
蝴蝶是一种美丽的昆虫，它从一朵花飞到另一朵花。
C2 adjective /ˈɪn.dɪ.dʒənt/

indigent

贫困
Meaning
lacking the necessities of life due to poverty; very poor
Example
The hospital offers free care to indigent patients.
医院为贫困患者提供免费护理。
C1 noun ˌɪn.tuˈɪʃ.ən

intuition

直觉
Meaning
The ability to understand something immediately, without the need for conscious reasoning.
Example
Her intuition told her something was wrong.
她的直觉告诉她有些不对劲。
B1 adjective /ˈɪnəsənt/

Innocent

无辜的; 纯洁的; 无害的
Meaning
free from guilt or sin; pure; harmless; naive
Example
The innocent child had no idea that her parents were planning a surprise party.
那个无辜的孩子不知道她的父母正在策划一个惊喜派对。
C1 adjective /ɪnˈdefɪnət/

Indefinite

不确定的
Meaning
not clearly defined; uncertain; vague; unlimited in time
Example
The meeting has been postponed for an indefinite period.
会议被推迟到一个不确定的时期。
C1 verb /ɪnˈvɜːrt/

invert

翻转
Meaning
To turn something upside down or in the opposite position, order, or direction.
Example
He inverted the glass to let the water drain out.
他翻转了玻璃杯，让水流出来。
B2 verb /ɪnˈfɜːr/

infer

Meaning
to conclude or deduce something from evidence and reasoning rather than from explicit statements
Example
From his silence, I inferred that he was not happy with the decision.
C2 verb /ɪnˈɡreɪʃiˌeɪt/

ingratiate

Meaning
To gain favor or approval by deliberate effort, often in a flattering way.
Example
She tried to ingratiate herself with her boss by complimenting him often.
C2 noun /ɪmˌpɜːrtərbəˈbɪləti/

imperturbability

安定性
Meaning
The quality of being calm and not easily disturbed or upset.
Example
Her imperturbability during the crisis impressed everyone.
她在危机中的安定性给所有人留下了深刻的印象。
C1 adjective /ɪˈmeʒərəbəl/

Immeasurable

不可测量的
Meaning
too large or extensive to measure; boundless
Example
The immeasurable love of a mother knows no bounds.
母亲那无可估量的爱没有边界。
C2 verb /ɪmˈpjuːn/

impugn

Meaning
to dispute the truth, validity, or honesty of a statement or motive
Example
The lawyer tried to impugn the credibility of the witness.
B1 noun ˌɪn.stɪˈtjuː.ʃən

institution

机构
Meaning
An organization founded and united for a specific purpose; an established law, practice, or custom.
Example
Institutions play a crucial role in governance.
机构在治理中起着至关重要的作用。
B2 adjective /ɪnˈkluːsɪv/

inclusive

包容的
Meaning
Including all the services, facilities, or items normally expected or required; not excluding any section of society or any party involved.
Example
Inclusive growth benefits all sections of society.
包容性增长惠及社会的所有阶层。
C2 noun /ɪmp/

imp

小顽皮精灵
Meaning
a small mischievous devil or sprite; a playful troublemaker
Example
The child was acting like a little imp, hiding his toys everywhere.
那个孩子像一个小顽皮精灵，四处藏玩具。
B2 noun /ˌɪntərˈfɪərəns/

interference

干扰
Meaning
the action of interfering with something
Example
The radio signal was disrupted due to interference from nearby electronics.
由于附近电子设备的干扰，无线电信号受到了干扰。
C2 adjective /ˌɪndɪˈsɜːrnəbl/

indiscernible

难以察觉的
Meaning
Impossible or difficult to see, notice, or distinguish.
Example
The difference between the two shades was almost indiscernible.
这两种色调之间的差异几乎难以察觉。
C1 noun /aɪl/

isle

小岛
Meaning
A small island or peninsula, often poetic or literary.
Example
They spent their honeymoon on a beautiful tropical isle.
他们在一个美丽的热带小岛上度过了他们的蜜月。
C1 noun /ɪnˈsɜːrdʒəns/

insurgence

叛乱
Meaning
An act of rebellion or uprising against authority.
Example
The government struggled to contain the growing insurgence.
政府难以控制日益增长的叛乱。
C1 noun /ˈɪmɪnəns/

imminence

即将发生，临近状态
Meaning
the state of being about to happen
Example
The imminence of the storm forced people to take shelter.
风暴的临近使人们不得不寻找庇护所。
B2 noun /ɪnˈkwaɪəri/ or /ˈɪnkwəri/

inquiry

调查 / 查询
Meaning
An act of asking for information; an investigation into something.
Example
The committee launched an inquiry into the financial irregularities.
委员会启动了对金融不规范行为的调查。
C2 adjective /ˌɪndɪˈfætɪɡəbl̩/

indefatigable

不知疲倦
Meaning
persisting tirelessly; incapable of being fatigued
Example
Her indefatigable spirit kept the team motivated during the long project.
她那不知疲倦的精神在漫长的项目中激励着团队。
B2 verb /ɪnˈherɪt/

inherit

继承
Meaning
to receive money, property, or characteristics from someone when they die; to acquire from predecessors
Example
She inherited her grandmother's house.
她继承了她祖母的房子。
C2 noun /ɪˈmɒdəsti/

immodesty

不谦逊
Meaning
lack of modesty or decency; behavior or attitude that is overly bold or improper
Example
The article was criticized for its tone of immodesty.
这篇文章因其不谦逊的语气而受到批评。
C1 noun ˌɪn.toʊˈneɪ.ʃən

intonation

语调
Meaning
The rise and fall of tone in speech and pronunciation.
Example
Proper intonation enhances the clarity of a speech.
正确的语调提高演讲的清晰度。
C2 adjective /ɪnˈkɒnstənt/

inconstant

不稳定的
Meaning
frequently changing; not consistent or dependable
Example
His inconstant moods made it difficult to work with him.
他的情绪不稳定使得与他合作变得困难。
B2 adjective ˈɪn.tɪ.ɡrəl

integral

必要的
Meaning
Necessary to make a complete whole; essential or fundamental.
Example
Exercise is an integral part of a healthy lifestyle.
锻炼是健康生活方式的重要组成部分。
C1 adjective /ˌɪnhɒˈspɪtəbl/

inhospitable

不适宜居住的
Meaning
Harsh and difficult to live in; unfriendly or unwelcoming to guests.
Example
The desert is an inhospitable environment for most plants.
沙漠是大多数植物无法生存的环境。
C2 verb /ɪnˈdɛmnɪfaɪ/

indemnify

Meaning
to compensate someone for harm or loss; to secure against future damage or cost
Example
The insurance company agreed to indemnify the client for the damages.
B2 adverb /ɪmˈpɒlɪtli/

impolitely

不礼貌地
Meaning
in a rude or discourteous manner; without showing respect or proper manners
Example
He spoke impolitely to the waiter despite the polite service.
尽管服务很好，他还是不礼貌地对服务员说话。
B1 noun /ɪnˈtɛnʃən/

intention

意图
Meaning
A plan, aim, or purpose behind an action.
Example
Her intention was to finish the project before the deadline.
她的意图是在截止日期之前完成项目。
C1 verb /ɪmˈpɜːrsəneɪt/

impersonate

假扮
Meaning
to pretend to be another person in order to entertain or deceive
Example
He was arrested for trying to impersonate a police officer.
他因尝试冒充一名警察而被逮捕。
C1 noun /ɪnˈædɪkwəsi/

inadequacy

不足
Meaning
lack of sufficient ability, quality, or strength; a feeling of not being good enough
Example
She struggled with feelings of inadequacy at work despite her strong qualifications.
尽管资历很强，她在工作中仍感到不足。
C1 adjective /ˌɪndɪˈskriːt/

indiscreet

不谨慎
Meaning
Not careful in what one says or does, likely to reveal secrets or offend.
Example
It was indiscreet of him to mention the plan in public.
他在公众场合提到计划是不谨慎的。
B1 verb /ɪmˈprɛs/

impress

打动
Meaning
to cause someone to feel admiration or respect
Example
Her speech managed to impress the audience.
她的演讲成功地打动了观众。
A2 adjective /ˈɪn.dɔːr/

indoor

室内的
Meaning
situated, occurring, or used inside a building
Example
Indoor plants can improve air quality at home.
室内植物可以改善家里的空气质量。
B2 verb /ɪnˈsɜːrt/

insert

插入
Meaning
to put or place something into something else
Example
Please insert the key into the lock.
请将钥匙插入锁孔。
C1 adjective /ɪˈnænɪmət/

inanimate

无生命的物体
Meaning
not alive, especially not in the manner of animals and humans; lifeless
Example
The museum was full of inanimate objects from ancient times.
博物馆里充满了来自古代的无生命物体。
B2 verb /ˈɪl.ə.streɪt/

illustrate

插图
Meaning
to explain or make something clear by using examples, pictures, or comparisons
Example
The teacher used diagrams to illustrate the concept.
老师用图表来说明这个概念。
C2 noun /ˌɪntərˈlɒkjətər/

interlocutor

对话者
Meaning
a person who takes part in a conversation or dialogue
Example
She was a skilled interlocutor during the debate.
她在辩论中是一个熟练的对话者。
C1 adjective /ɪˈledʒ.ə.bəl/

illegible

难以辨认
Meaning
Not clear enough to be read; unreadable.
Example
The doctor’s handwriting was almost illegible.
医生的字迹几乎难以辨认。
A2 verb /ˌɪntrəˈduːs/

introduce

介绍
Meaning
to present someone; to bring in for the first time
Example
Let me introduce you to my friend.
让我介绍你给我的朋友。
B2 adjective /ˌɪnkəmˈpliːt/

incomplete

不完整
Meaning
Not finished, lacking some parts or not whole.
Example
Her report was incomplete and needed further details.
她的报告不完整，需要更多细节。
C2 adjective /ɪnhɑːrˈmoʊniəs/

Inharmonious

不和谐
Meaning
lacking harmony; discordant in sound; not in tune
Example
The inharmonious sounds from the broken piano made everyone cover their ears.
破碎钢琴发出的不和谐声音让每个人都捂住了耳朵。
C1 verb /ɪnˈvælɪdeɪt/

invalidate

使无效
Meaning
To make something not valid or legally acceptable.
Example
The new evidence may invalidate the previous ruling.
新证据可能使之前的裁决无效。
C2 noun /ˈɪmpjʊdəns/

impudence

无礼
Meaning
Rude and disrespectful behavior.
Example
The student's impudence shocked the entire class.
学生的无礼行为让全班震惊。
B2 adjective /ɪˈrɪˌspɑn.sə.bəl/

Irresponsible

不负责任
Meaning
lacking a sense of responsibility; careless
Example
It was irresponsible of him to leave without telling anyone.
他在没有告诉任何人就离开，这是不负责任的行为。
B1 noun/adjective /ˈɪnstənt/

instant

瞬间
Meaning
A very short period of time; happening immediately.
Example
He replied in an instant without hesitation.
他毫不犹豫地在瞬间作出回应。
B1 adjective ˈɪnəveɪtɪv

innovative

创新的
Meaning
Featuring new methods; advanced and original
Example
Innovative strategies are required to combat pollution.
创新的战略是解决污染问题的关键。
C1 adjective /ˌaɪdiəˈlɪstɪk/

Idealistic

理想主义的
Meaning
pursuing high principles or ideals; unrealistically optimistic
Example
She has an idealistic view of changing the world.
她对改变世界有着理想主义的看法。
C1 adjective /ɪnˈɔːdəbl/

inaudible

听不见的
Meaning
Unable to be heard.
Example
Her voice was almost inaudible over the noise.
她的声音几乎在噪音中听不见。
B2 adjective /ɪˈmædʒ.ɪ.nər.i/

Imaginary

想象的; 虚构的; 不现实的
Meaning
existing only in imagination; not real; fictional
Example
The child had an imaginary friend who she talked to every day.
那个孩子有一个想象的朋友，每天和他说话。
C1 adjective /ɪnˈdʌldʒənt/

indulgent

宽容的
Meaning
Having a tendency to be overly generous or lenient with someone.
Example
The indulgent mother allowed her child to stay up late.
宽容的母亲让孩子晚点才睡。
B2 adjective/noun /ɪˈrɑːki/

iraqi

伊拉克的
Meaning
relating to Iraq or its people
Example
The Iraqi culture is rich and diverse.
伊拉克的文化丰富多样。
B2 verb ˈɪmplɪment

implement

实施
Meaning
To put a decision or plan into effect; to execute or apply.
Example
Implementing educational policies is essential for progress.
实施教育政策对进步至关重要。
C1 adjective /ɪnˈseɪʃəbl̩/

insatiable

不可满足的
Meaning
impossible to satisfy; always wanting more
Example
Her insatiable curiosity drove her to read every book in the library.
她那不可满足的好奇心促使她阅读了图书馆里的所有书籍。
C2 adjective /ɪnˈɡreɪʃiˌeɪtɪŋ/

ingratiating

奉承的
Meaning
Charming or flattering in a way intended to gain favor.
Example
His ingratiating smile made everyone trust him quickly.
他的奉承笑容让每个人都迅速信任了他。