irritating
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B1 adjective /ˈɪrɪteɪtɪŋ/

irritating

烦人的
Meaning
causing annoyance, impatience, or mild anger
Example
The constant noise from the street is extremely irritating.
街道上传来的持续噪音非常烦人。
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。
C2 noun /ˌɪn.ɪˈbraɪ.ə.ti/

inebriety

醉酒
Meaning
the state of being drunk or intoxicated
Example
His frequent inebriety led to the loss of his job.
他的频繁醉酒导致了他失去工作。
C2 noun /ɪˌledʒ.əˈbɪl.ə.ti/

Illegibility

难以辨认
Meaning
the quality of being impossible or difficult to read; unclear writing or print
Example
The doctor's handwriting was famous for its illegibility among the pharmacy staff.
医生的字迹因其难以辨认而在药房工作人员中广为人知。
B2 noun /ɪnˈhæbɪtənt/

inhabitant

居民
Meaning
a person or animal that lives in a particular place
Example
The inhabitants of the village rely on farming for their livelihood.
村庄的居民依靠农业为生。
B1 noun ɪˈnɪʃətɪvz

initiatives

倡议
Meaning
Actions or strategies designed to resolve a difficulty or improve a situation; programs or projects.
Example
Community initiatives benefit underprivileged groups.
社区倡议惠及贫困群体。
C2 noun /ˌɪmprəˈsɑːrioʊ/

impresario

主办人
Meaning
A person who organizes or finances concerts, plays, or operas.
Example
The impresario arranged a series of concerts for the rising star.
这位印普雷萨里奥为崭露头角的明星安排了一系列的音乐会。
B2 adjective /ɪnˈkeɪpəbəl/

incapable

无能的
Meaning
lacking the ability, skill, or capacity to do something
Example
He is incapable of understanding complex instructions.
他无法理解复杂的指令。
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 /ˈɪnmoʊst/

inmost

最深的
Meaning
Situated at the very heart or deepest part; most private or secret.
Example
She revealed her inmost thoughts to her closest friend.
她向她最亲密的朋友透露了她最深的想法。
C2 adjective /ˈɪm.pi.əs/

Impious

不敬的; 亵渎神明
Meaning
irreligious; lacking reverence for religion; blasphemous
Example
The impious act shocked the religious community.
不敬的行为震惊了宗教社区。
C1 noun /ˌɪn.dʒəˈnjuː.ɪ.ti/

ingenuity

独创性
Meaning
The quality of being clever, original, and inventive.
Example
His ingenuity led to groundbreaking innovations.
他的独创性导致了开创性的创新。
B1 verb /aɪˈdentɪfaɪ/

identify

识别
Meaning
to recognize; to establish who someone is
Example
Can you identify the suspect?
你能识别嫌疑人吗？
C1 adjective ˈɪn.tər.ɪm

interim

临时
Meaning
In or for the intervening period; provisional or temporary.
Example
Interim governments manage transitional phases.
临时政府管理过渡阶段。
C1 noun /ɪnˈsæn.ə.ti/

Insanity

疯狂; 精神错乱
Meaning
the state of being seriously mentally ill; extreme foolishness or irrationality
Example
The defense lawyer argued that his client was not guilty by reason of insanity.
辩护律师辩称，他的客户因精神错乱而不应被判有罪。
C1 noun /ɪnˈsaɪtmənt/

incitement

煽动
Meaning
the action of provoking unlawful or violent behavior
Example
He was arrested for incitement to riot.
他因煽动暴乱被逮捕。
C2 verb /ɪnˈhjuːm/

inhume

埋葬
Meaning
to bury a dead body in the ground
Example
They inhumed the warrior with full honors.
他们用全部荣誉埋葬了战士。
C1 adjective /ɪmˈpæʃənd/

impassioned

充满激情的
Meaning
Filled with or showing great emotion.
Example
She gave an impassioned speech about human rights.
她发表了关于人权的充满激情的演讲。
C2 adjective /ˌɪn.trəˈsɛl.jʊ.lər/

intracellular

细胞内
Meaning
Located or occurring within a cell.
Example
The drug works by targeting intracellular bacteria.
药物通过靶向细胞内的细菌发挥作用。
B2 noun /ɪnˈdʌstriəl ˌrɛvəˈluːʃən/

Industrial Revolution

工业革命
Meaning
The rapid development of industry that occurred in Britain in the late 18th and 19th centuries, brought about by the introduction of machinery and characterized by the use of steam power and the growth of factories.
Example
The Industrial Revolution marked a shift in production processes.
工业革命标志着生产过程的变革。
C1 verb /ɪˈmɔːrtəlaɪz/

immortalize

永生
Meaning
to preserve the memory of someone or something forever
Example
The statue was built to immortalize the hero’s sacrifice.
这座雕像是为了让英雄的牺牲永生化。
B2 noun /ɪnˈspɛktər/

inspector

检查员
Meaning
An official employed to ensure regulations are obeyed or standards are met.
Example
The inspector carefully checked the restaurant's kitchen for hygiene standards.
检查员仔细检查了餐厅的厨房是否符合卫生标准。
C2 adverb /ˌɪnsəʊˈmʌtʃ/

insomuch

如此
Meaning
to such an extent
Example
He was insomuch tired that he could hardly stand.
他累得几乎站不起来。
B2 adjective /ɪˈmætʃʊr/

Immature

不成熟; 未完全发展; 幼稚
Meaning
not fully developed; lacking emotional or intellectual development; childish
Example
His immature behavior during the meeting disappointed everyone.
他在会议中的不成熟行为让大家都很失望。
C1 adjective /ɪnˈvɪnsəbl/

invincible

不可战胜
Meaning
too powerful to be defeated or overcome
Example
The team seemed invincible after winning ten matches in a row.
这支队伍在连续赢得十场比赛后，看起来不可战胜。
B2 noun /ɪnˈveɪʒən/

invasion

入侵
Meaning
An instance of invading a country, region, or personal space with armed force or unwelcome presence.
Example
The army prepared for the possibility of an invasion.
军队为可能的入侵做了准备。
C1 adjective ɪˈneɪt

Innate

与生俱来的或自然的
Meaning
Existing from birth or natural
Example
She has an innate talent for music.
她有天生的音乐才华。
C1 adjective /ɪnˈdʌktɪv/

inductive

归纳的
Meaning
characterized by the inference of general laws from particular instances; reasoning from specific cases to general principles
Example
The scientist used inductive reasoning to form a hypothesis.
科学家使用归纳推理来形成假设。
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。
C1 verb /ˌɪntəˈsɛkt/

intersect

交叉
Meaning
to cross or pass through each other
Example
The two roads intersect at the city center.
这两条道路在市中心交汇。
C2 adjective /ɪnˈvaɪələt/

inviolate

神圣不可侵犯
Meaning
free from violation, injury, or desecration; kept safe and untouched
Example
The ancient temple remained inviolate for centuries.
古老的寺庙几百年来一直保持着神圣不可侵犯。
C1 adjective /ɪˈneɪn/

inane

无意义的, 傻的
Meaning
lacking sense, meaning, or significance; silly or pointless
Example
The movie was criticized for its inane dialogue.
这部电影因其无意义的对话而受到批评。
C1 verb /ˈɪrɪˌɡeɪt/

irrigate

灌溉
Meaning
to supply water to land or crops; to wash out a wound with water
Example
Farmers irrigate their fields during dry seasons.
农民在干旱季节灌溉他们的田地。
C2 noun /ˈɪn.fɪ.del/

Infidel

异教徒
Meaning
a person who does not believe in religion or whose religious beliefs differ from one's own
Example
In historical contexts, crusaders often referred to their enemies as infidels.
在历史背景中，十字军常常把他们的敌人称为异教徒。
B1 noun /ˈɪnkʌm/

income

收入
Meaning
money received for work or through investments
Example
His monthly income is enough to support his family.
他的月收入足以养家糊口。
B2 noun /ˌɪmɪˈɡreɪʃən/

immigration

移民
Meaning
the action of coming to live permanently in a foreign country
Example
Immigration policies vary from country to country.
移民政策因国家而异。
C1 noun/verb /ˈɪmprɪnt/

imprint

印记
Meaning
A mark or impression made by pressure; to establish or fix firmly in someone's mind.
Example
The event left an indelible imprint on the city's history.
这一事件在这座城市的历史上留下了不可磨灭的印记。
C1 noun ɪnˈflɛk.ʃən

inflection

语调变化
Meaning
The change in pitch or tone of voice when speaking for emphasis.
Example
His inflection kept the audience engaged.
他的语调让观众保持关注。
B2 noun /ˌɪnsɪˈkjʊərɪti/

insecurity

不安全感
Meaning
lack of confidence or assurance; a state of uncertainty or vulnerability
Example
Her insecurity made her doubt her abilities despite her experience.
她的不安全感让她怀疑自己的能力。
A2 noun /ɪmˈpɔːtəns/

importance

重要性
Meaning
The quality or state of being important; consequence or significance.
Example
The importance of time management cannot be overstated.
时间管理的重要性无法被夸大。
B1 noun /ˈɪnpʊt/

input

输入，提供的信息
Meaning
information, advice, or data that is put into a system, device, or process
Example
The manager asked for everyone's input on the new project.
经理要求大家对新项目提供意见。
B2 adjective /ɪˈreɡjələr/

irregular

不规则的
Meaning
not even or consistent in shape, pattern, time, or behavior; not following normal rules
Example
His attendance at work has been irregular this month.
他这个月上班出勤不规则。
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。
A2 noun /ˌɪn.trəˈdʌk.ʃən/

introduction

引言
Meaning
the action of introducing something or someone; an opening or beginning part
Example
The professor gave a brief introduction before starting the lecture.
教授在开始讲座之前做了简短的引言。
C1 adjective /ɪnˈflɛksəbl/

inflexible

不灵活
Meaning
Not able to bend or change; unwilling to change ideas or behavior.
Example
His inflexible attitude made negotiations difficult.
他那不灵活的态度使谈判变得困难。
C2 adjective /ɪmˈpræktɪkəbl/

impracticable

不切实际
Meaning
Not capable of being carried out or put into practice.
Example
The plan seemed impracticable due to limited resources.
由于资源有限，计划显得不切实际。
B2 noun ˈɪndɪkeɪtə

indicator

指标
Meaning
A thing that indicates the state or level of something.
Example
The unemployment rate is a key indicator of economic health.
失业率是经济健康的重要指标。
C1 adjective /ɪnˈstɪŋk.tɪv/

instinctive

本能的, 自然的, 自动的
Meaning
Based on instinct; done without conscious thought; natural and automatic.
Example
His instinctive reaction saved his life.
他的本能反应救了他的生命。
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。
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。
C2 adjective /ˌɪnɪkˈsprɛsəbl/

inexpressible

难以言喻
Meaning
Too strong or extreme to be expressed in words.
Example
She felt inexpressible joy at the news of her success.
她得知自己成功的消息时感到难以言喻的喜悦。
B1 adverb /ˈɪnstəntli/

instantly

立刻
Meaning
immediately, without any delay
Example
He replied instantly to the message.
他立刻回复了消息。
C2 adjective /ɪmˈprɛɡnəbl̩/

impregnable

固若金汤
Meaning
Unable to be captured, broken into, or defeated.
Example
The fortress was considered impregnable by the enemy.
敌人认为这个堡垒固若金汤。
C2 adjective /ɪˈrɛzəluːt/

irresolute

优柔寡断
Meaning
uncertain or indecisive; lacking determination
Example
He stood irresolute at the crossroads, unsure which path to take.
他在十字路口犹豫不决，不知道走哪条路。
C1 verb /ˈɪnkjʊˌbeɪt/

incubate

孵化
Meaning
to keep eggs, cells, or organisms at the right conditions for development
Example
The hen will incubate the eggs until they hatch.
母鸡会孵化蛋直到它们孵化。
A2 adjective/noun /ˈaɪrɪʃ/

irish

幸福
Meaning
relating to Ireland, its people, or its language
Example
The Irish countryside is very beautiful.
当她收到奖项时，她无法隐藏自己的幸福。
C1 verb /ɪnˈskraɪb/

inscribe

铭刻
Meaning
to write or carve words or symbols on a surface
Example
They inscribed her name on the trophy.
他们把她的名字刻在奖杯上。
C1 adjective /ɪmˈpɛndɪŋ/

impending

即将来临
Meaning
about to happen soon, usually something unpleasant or threatening
Example
The villagers were worried about the impending flood.
村民们为即将来临的洪水感到担忧。
C2 adjective /ɪˈnjʊərd/

inured

习惯于
Meaning
Accustomed to something, especially something unpleasant.
Example
After years of hardship, she was inured to suffering.
经过多年的困苦，她已经习惯于痛苦了。
C2 adjective /ɪnˈtɛsteɪt/

intestate

死于无遗嘱
Meaning
Having died without leaving a valid will.
Example
She died intestate, so her assets were distributed by law.
她死于无遗嘱，因此她的财产由法律分配。
A2 pronoun /ɪtˈsɛlf/

itself

自己
Meaning
Used to emphasize the thing just mentioned; by its own power or effort.
Example
The cat cleaned itself after eating.
猫在吃完饭后自己清理了自己。
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。
C1 noun /ˈɪm.pæs/

impasse

僵局
Meaning
A situation where no progress is possible.
Example
The negotiations reached an impasse, delaying the agreement.
谈判陷入僵局，导致协议被推迟。
B2 adjective ɪnˈdɪdʒɪnəs

indigenous

本土的
Meaning
Originating or occurring naturally in a particular place; native.
Example
Indigenous plants are well adapted to the local environment.
本土植物很好地适应了当地环境。
C2 adjective /ɪnˈɛksərəbl/

inexorable

不可阻挡
Meaning
Impossible to stop or prevent; relentless.
Example
The inexorable rise of technology is changing every aspect of life.
技术的不可阻挡的崛起正在改变生活的方方面面。
C2 adjective /ɪnˈɛk.wɪ.tə.bəl/

inequitable

不公平
Meaning
Not fair or just; lacking in fairness or equality.
Example
The distribution of resources was inequitable among the workers.
资源的分配在工人之间是不公平的。
C1 noun /ɪmˌpɒsəˈbɪlɪti/

impossibility

不可能性
Meaning
the state or fact of being impossible; something that cannot be done or achieved
Example
Finishing the project in one day was an impossibility.
在一天内完成这个项目是不可能的。
C1 noun /ɪnˌtɪmɪˈdeɪʃən/

intimidation

威胁
Meaning
The action of frightening or threatening someone to make them do something.
Example
The workers reported cases of intimidation by the management.
工人报告了管理层威胁的案例。
C1 adjective ɪnɪɡˈzɔːstɪbəl

inexhaustible

取之不尽
Meaning
Unable to be used up or worn out; limitless.
Example
His inexhaustible energy allowed him to work tirelessly on his projects.
他那取之不尽的精力使他能够在项目上不知疲倦地工作。
C1 noun /ˌɪn.səˌbɔːr.dɪˈneɪ.ʃən/

insubordination

不服从
Meaning
Defiance of authority; refusal to obey orders.
Example
The soldier was punished for insubordination during the mission.
士兵因在任务中不服从命令而受到惩罚。
C2 noun /ˌɪnədˈvɜːrtəns/

inadvertence

疏忽
Meaning
Failure to pay attention; carelessness.
Example
The error happened through sheer inadvertence.
错误是由于完全的疏忽发生的。
C1 adjective /ɪnˈtɜːrmənəbl/

interminable

无尽
Meaning
Seemingly endless; having no apparent end.
Example
The meeting felt interminable and exhausting.
会议感觉无尽且令人疲惫。
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。
B1 noun /ɪmˈpruːvmənt/

improvement

改善
Meaning
the act of making something better
Example
There has been a significant improvement in his health.
他的健康有了显著改善。
C1 adjective /ɪnˈdʒʊəriəs/

injurious

有害的
Meaning
Causing or likely to cause harm or damage.
Example
Smoking is injurious to health.
吸烟对健康有害。
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 /ˌɪnkwɪˈzɪʃən/

inquisition

宗教裁判
Meaning
A prolonged and intense questioning or investigation, often harsh in nature.
Example
The journalist faced an inquisition from the panel about his sources.
记者面对小组对他消息来源的严厉质询。
C2 verb /ɪmˈpjuːt/

impute

归因于
Meaning
to attribute a fault or responsibility to someone
Example
They imputed the company's success to good leadership.
他们将公司的成功归功于出色的领导力。
C1 noun /ˈɪntərˌluːd/

interlude

插曲
Meaning
A short period of time that comes between two events; an interval.
Example
There was a brief musical interlude between the two acts of the play.
在剧本的两个场景之间有一个简短的音乐插曲。
C1 adjective /ɪmˈpjʊər/

Impure

不纯
Meaning
contaminated; not clean; mixed with foreign substances
Example
The impure water caused health problems in the village.
不纯的水在村庄里引起了健康问题。
C1 adjective /ˌɪrɪˈprɛsəbl̩/

irrepressible

不可抑制的
Meaning
Impossible to control or restrain.
Example
She had an irrepressible urge to laugh during the speech.
她在演讲中无法掩饰自己无法抑制的笑意。
C1 adjective /ɪˈrɛfjʊtəbəl/

Irrefutable

不可反驳的
Meaning
impossible to deny or disprove; undeniable
Example
The evidence against him was irrefutable.
对他的证据是不可反驳的。
B1 adjective /ɪmˈpres.ɪv/

Impressive

令人印象深刻的
Meaning
striking; remarkable; having the ability to impress
Example
Her impressive performance earned her a standing ovation.
她出色的表演赢得了全场起立鼓掌。
C1 adjective /ˌɪndɪˈvɪzəbl/

indivisible

Meaning
Not able to be divided or separated.
Example
The country's unity was indivisible despite differences.
C1 adjective /ˌɪnɪkˈskjuːzəbl/

inexcusable

不可原谅的
Meaning
Too bad to be justified or overlooked; unforgivable.
Example
His rude behavior was inexcusable.
他的粗鲁行为是不可原谅的。
B2 adjective /aɪˈrɒnɪkəl/

ironical

讽刺的
Meaning
expressing irony; having the nature of irony
Example
Her ironical tone made everyone uncomfortable.
她的讽刺语气让每个人都感到不舒服。
B1 adjective /ɪnˈkrɛdəbl/

incredible

难以置信的
Meaning
so extraordinary that it is hard to believe; amazing
Example
The view from the mountain was incredible.
从山顶看到的景色难以置信。
C2 noun /ɪnˈkɒnstənsi/

inconstancy

不稳定性
Meaning
The quality of changing frequently or being unreliable.
Example
The inconstancy of the weather makes planning difficult.
天气的不稳定性使得规划变得困难。
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 /ɪnˈvɑːlənˌtɛri/

involuntary

不由自主
Meaning
done without will or conscious control
Example
He gave an involuntary shiver when he heard the loud noise.
他听到响亮的声音时不由自主地打了个寒战。
B2 noun /ˈaɪkɒn/

icon

图标, 象征
Meaning
A person or thing regarded as a symbol of something, or a graphic symbol on a screen.
Example
The singer became a cultural icon.
这位歌手成为了文化图标。
C2 adjective /ɪˈmɒdɪst/

immodest

傲慢 / 不得体
Meaning
lacking humility or decency; excessively proud or improper
Example
His immodest remarks offended the audience.
他的傲慢言辞冒犯了观众。
B2 verb /ɪnˈʃʊər/

insure

投保
Meaning
to provide insurance; to make certain
Example
I need to insure my new car.
我需要为我的新车投保。
C1 adjective /ɪˈrɛvərənt/

irreverent

不敬的
Meaning
showing a lack of respect for people or things that are usually respected
Example
The comedian’s irreverent jokes offended some of the audience.
那位喜剧演员的不敬笑话冒犯了一些观众。
C2 noun /ɪnˈfrækʃən/

infraction

违规
Meaning
A violation or breach of a rule, law, or agreement.
Example
The student was punished for a minor infraction of the school rules.
学生因轻微违反学校规则而受到惩罚。
C1 noun ˌɪnsjʊˈleɪʃən

insulation

绝缘
Meaning
Material used to prevent heat, sound, or electricity from being transmitted from one area to another.
Example
Insulation of food storage areas can prevent pests from entering.
食品储存区的绝缘可以防止害虫进入。
C1 adjective /ɪnˈfɜːm/

infirm

虚弱
Meaning
Weak, especially due to old age or illness.
Example
The infirm old man needed assistance to walk.
那位虚弱的老人需要帮助才能走路。
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。
B1 adjective /ˈɪnər/

inner

内在的
Meaning
Located inside or closer to the center; relating to one’s thoughts or feelings.
Example
She shared her inner thoughts with her best friend.
她与她最好的朋友分享了她的内心想法。
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 /ɪmˈprɒp.ər/

Improper

不合适的; 错误的; 不适当的
Meaning
inappropriate; incorrect; not suitable
Example
It would be improper to discuss personal matters in a business meeting.
在商务会议上讨论个人事务是不合适的。
C2 adjective /ɪnˈkɒntɪnənt/

incontinent

失禁
Meaning
lacking control over urination or defecation; lacking self-restraint
Example
The patient was incontinent after surgery.
病人在手术后失禁。
B2 noun /ˈɪɡ.nər.əns/

Ignorance

无知
Meaning
lack of knowledge or information; the state of being uninformed about something
Example
His ignorance about basic computer skills made it difficult for him to find a job.
他对基本计算机技能的无知使他很难找到工作。
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。
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 /ɪnˈtɛɡ.jʊ.mənt/

integument

外部覆盖物
Meaning
A natural outer covering, such as skin, shell, or rind.
Example
The snake sheds its integument as it grows.
蛇在生长过程中脱掉外部覆盖物。
C1 noun /ɪnˈsɜːrdʒənt/

insurgent

起义者
Meaning
A person who rises in revolt against authority or government.
Example
The army arrested several insurgents after the attack.
军队在袭击后逮捕了几名起义者。
C2 noun (compound/erroneous entry) /ɪnˈɛksərəbl ɑːrmi/

inexorableinexorablearmy

无法阻挡的军队
Meaning
This appears to be a corrupted or concatenated form; interpreted as 'inexorable army' — an unstoppable or relentless force.
Example
The rebels feared the inexorable army approaching their stronghold.
叛军害怕即将接近他们堡垒的无法阻挡的军队。
C1 noun /ˈɪd.i.əm/

idiom

习语
Meaning
A group of words whose meaning is different from the meanings of the individual words.
Example
The idiom 'break the ice' means to start a conversation in a friendly way.
习语 '打破僵局' 意味着以友好的方式开始对话。
C2 adjective /ˌɪrɪˈdjuːsəbl/

irreducible

不可约的
Meaning
impossible to reduce or simplify further
Example
The fraction 3/7 is irreducible.
分数 3/7 是不可约的。
C1 verb /ɪnˈfleɪm/

inflame

激起
Meaning
to arouse strong feelings or provoke anger; to cause inflammation in the body
Example
The politician's remarks served to inflame public opinion.
政治家的言论激起了公众舆论的愤怒。
A2 noun /ˈɪntəvjuː/

interview

面试
Meaning
A meeting of people face to face, especially for consultation.
Example
The interview was conducted in a calm and professional manner.
面试以平静和专业的方式进行。
C1 adjective /ɪmˈprɒmp.tjuː/

impromptu

即兴
Meaning
Done without being planned, organized, or rehearsed; spontaneous.
Example
He gave an impromptu speech at the event.
他在活动中做了即兴演讲。
C1 adjective /ɪˈnɔːrdənət/

inordinate

过度的
Meaning
Excessive or unusually large in degree.
Example
She spent an inordinate amount of time on her phone.
她在手机上花费了过多的时间。
B2 adjective /ɪnˈtɛnsɪv/

intensive

强化
Meaning
Involving a lot of effort, energy, or concentration in a short period of time.
Example
She attended an intensive English course before moving abroad.
她在出国之前参加了一个强化的英语课程。
C1 verb /ɪɡˈnaɪt/

ignite

点燃
Meaning
To catch fire or cause to catch fire; to start or arouse.
Example
The sparks ignited the dry leaves in seconds.
火花在几秒钟内点燃了干叶。
B1 verb /ˌɪntərˈækt/

interact

互动
Meaning
to communicate or work together with someone or something
Example
Students interact with teachers during class discussions.
学生们在课堂讨论中与老师互动。
C1 noun /ɪnˈkɒmpɪtəns/

incompetence

不称职
Meaning
Lack of ability, skill, or effectiveness in doing something.
Example
The project failed due to the manager’s incompetence.
由于经理的不称职，项目失败了。
C1 adjective ɪn ˈfleɪ.ʃə.ner.i

inflationary

通货膨胀的
Meaning
Characterized by or tending to cause monetary inflation; relating to rising prices.
Example
The government took measures to control inflationary pressures.
政府采取了措施来控制通货膨胀的压力。
C2 adjective /ˌɪnɪkˈstɛnsəbl/

inextensible

不可伸展的
Meaning
Not capable of being stretched or extended.
Example
This rope is made of an inextensible material.
这根绳子是由不可伸展的材料制成的。
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。