B2 adjective /ʌnˈlɔːfl/

Unlawful

非法; 不合法

Meaning

not authorized by law; illegal

Example

The court declared the search unlawful.

法院宣布搜索是非法的。

C1 adjective ʌnˈmætʃt

unmatched

无与伦比

Meaning

Not equaled or rivaled by any other; without equal.

Example

The freedom fighters showed unmatched bravery.

自由战士们展示了无与伦比的勇气。

B2 noun ˈjuːnəti

unity

团结

Meaning

The state of being united or joined as a whole.

Example

Unity among people led to victory.

人们之间的团结带来了胜利。

C1 adjective /ˌʌnɪmˈplɔɪəbəl/

unemployable

不适合就业

Meaning

Not able to be employed; lacking the skills or qualities necessary for employment

Example

Due to his criminal record, he was considered unemployable in most companies.

由于他的犯罪记录，他在大多数公司被认为是不适合就业。

C1 noun ˈʌp.raɪ.zɪŋ

uprising

起义

Meaning

An act of resistance or rebellion; a revolt against an authority or government.

Example

The uprising marked the beginning of the revolution.

起义标志着革命的开始。

C1 adjective /ˈʌndərhænd/

underhand

阴险

Meaning

done secretly and dishonestly; deceitful

Example

The politician was accused of using underhand tactics to win the election.

那位政治家被指控使用阴险的手段赢得选举。

B2 adjective /ˌʌn.kəʊˈɒp.ər.ə.tɪv/

uncooperative

不合作的

Meaning

not willing to help or work with others; unhelpful

Example

The witness was uncooperative and refused to answer questions.

证人不合作，拒绝回答问题。

C2 adjective /ˌʌltrəˈmɒnteɪn/

ultramontane

教皇支持者

Meaning

beyond the mountains, especially referring to support for the Pope over local church authority

Example

The debate highlighted the ultramontane position in church politics.

辩论突出了教会政治中超山的立场。

C1 noun /ʌpˈhiːvəl/

upheaval

动荡

Meaning

a violent or sudden change or disruption to something

Example

The company faced a major upheaval after the sudden resignation of its CEO.

公司在其CEO突然辞职后经历了巨大的动荡。

B2 adverb /ʌnˈplɛzəntli/

unpleasantly

令人不快地

Meaning

in a way that causes discomfort, annoyance, or displeasure; in an unfriendly or disagreeable manner

Example

The room was unpleasantly hot during the afternoon.

下午房间里热得令人不快。

C2 adjective /juːˈʒʊəriəs/

usurious

高利贷的

Meaning

Charging excessively high interest rates on loans.

Example

The bank was accused of offering loans at usurious rates.

该银行被指控以高利贷利率提供贷款。

C1 verb /ʌpˈruːt/

uproot

拔除

Meaning

To pull something out of the ground; to remove or displace completely.

Example

They uprooted the old tree from the garden.

他们从花园里把老树拔了出来。

B2 adjective /ˌʌnəˈveɪləbəl/

unavailable

不可用

Meaning

Not able to be obtained, reached, or used; not present or accessible.

Example

The manager was unavailable to take calls during the meeting.

经理在会议期间不可用，无法接听电话。

C2 noun /ˈɜːrtʃɪn/

urchin

街头小孩

Meaning

a mischievous or poorly dressed child, often from the streets

Example

The ragged urchins played by the riverbank.

那些穿着破烂的街头小孩在河边玩耍。

C2 adjective /ʌnˈtræməld/

untrammeled

无限自由

Meaning

Not restricted or hampered; free and unrestricted.

Example

She enjoyed untrammeled freedom in her new life abroad.

她在国外的新生活中享受着无限自由。

B2 adjective /ˌʌndɪˈsaɪdɪd/

Undecided

未决定的; 不确定的

Meaning

not having made a decision; uncertain

Example

She was undecided about which college to attend.

她对于选择哪个大学感到未决定。

C2 adjective /ˈʌŋk.tʃu.əs/

unctuous

阿谀奉承

Meaning

Excessively flattering or ingratiating; oily in texture.

Example

His unctuous tone made everyone uncomfortable.

他那种阿谀奉承的语气让每个人都感到不舒服。

B1 noun /ˌʌnɪmˈplɔɪmənt/

Unemployment

失业

Meaning

the state of being unemployed; lack of paid work

Example

The unemployment rate has increased significantly this year.

今年失业率显著上升。

C1 adjective /ˌʌnəbˈtruːsɪv/

unobtrusive

不引人注目

Meaning

not attracting attention; blending in without causing notice

Example

The security cameras are designed to be unobtrusive.

安全摄像头被设计成不引人注目。

B2 adjective /juːˈnæn.ɪ.məs/

Unanimous

一致的

Meaning

fully in agreement; shared by all

Example

The committee reached a unanimous decision.

委员会达成了一致的决定。

C1 adjective /ˌʌndərˈsaɪzd/

undersized

尺寸过小

Meaning

Smaller than the usual or expected size.

Example

The undersized puppy struggled to keep up with its siblings.

这只尺寸过小的小狗很难跟上它的兄弟姐妹。

C1 adjective /ˌʌn.əˈdʌl.tə.reɪ.tɪd/

Unadulterated

纯净的

Meaning

not mixed or diluted with any different or extra elements; pure

Example

She felt unadulterated joy when she heard the news.

当她听到这个消息时，她感到纯净的快乐。

B2 verb /ʌnˈkʌvə(r)/

uncover

揭示

Meaning

to reveal something that was hidden or secret

Example

The investigation uncovered new evidence.

调查揭示了新的证据。

B2 adjective /ʌnˈwel.kəm/

Unwelcome

不受欢迎的; 不想要的; 不邀请的

Meaning

not wanted or accepted; not invited or pleasant

Example

The unwelcome news ruined their vacation plans.

不受欢迎的消息破坏了他们的度假计划。

B2 noun /ʌnˈrest/

Unrest

不安；动荡；社会或政治动乱

Meaning

a state of dissatisfaction and disturbance; social or political disorder

Example

The economic crisis led to widespread social unrest.

经济危机导致了广泛的社会不安。

C1 adjective /ˌʌnɪˈkwɪvəkəl/

unequivocal

明确

Meaning

Leaving no doubt; clear and unambiguous

Example

She gave an unequivocal answer to the question.

她对问题给出了明确的回答。

A2 conjunction /ʌnˈlɛs/

unless

除非

Meaning

except if

Example

We won't go unless it stops raining.

除非雨停了，否则我们不去。

C1 adjective /ʌnˈsɪvəl/

Uncivil

不文明的; 粗鲁的;

Meaning

not polite or courteous; rude and discourteous in behavior

Example

His uncivil remarks during the meeting offended everyone present.

他在会议上的不文明言论冒犯了在场的每一个人。

B2 verb /ˈjuːtɪlaɪz/

utilize

利用

Meaning

to make practical or effective use of something

Example

The company aims to utilize solar energy for production.

公司旨在利用太阳能进行生产。

B1 preposition, adverb, adjective /ˌʌndərˈniːθ/

underneath

在……下面

Meaning

Located directly below or beneath something

Example

The keys were hidden underneath the pile of papers.

钥匙被隐藏在那堆文件下面。

B1 adjective /ʌnˈwel/

Unwell

不舒服; 生病

Meaning

not in good health; feeling sick or ill

Example

She has been feeling unwell since yesterday.

她从昨天开始感到不舒服。

B2 noun /ˈʌpˌkiːp/

up-keep

维护

Meaning

The process or cost of maintaining something in good condition.

Example

The upkeep of the old house is very expensive.

老房子的维护非常昂贵。

B1 adjective /ʌnˈmærid/

unmarried

未婚

Meaning

Not married; single.

Example

He is thirty-five and still unmarried.

他三十五岁，仍然未婚。

B2 adverb /ʌnˈnesəserəli/

Unnecessarily

不必要地

Meaning

to a greater extent than is needed; without necessity

Example

Don't worry unnecessarily about the exam.

不要为考试不必要地担心。

C2 adjective /ˌʌnrɪˈmɪtɪŋ/

unremitting

不断的

Meaning

Never relaxing or stopping; persistent.

Example

Her unremitting efforts finally paid off.

她不懈的努力终于得到了回报。

B2 adjective /ˌʌn.əkˈsep.tə.bəl/

Unacceptable

不可接受

Meaning

not satisfactory or allowable; not acceptable

Example

The quality of work was completely unacceptable.

工作质量完全不可接受。

C1 noun /ˈʌp.raɪt.nəs/

Uprightness

正直; 正义

Meaning

the quality of being honest and morally correct; integrity

Example

His uprightness in business dealings earned him great respect.

他在商业中的正直赢得了很大的尊重。

C2 adverb /ʌnˈɜːrɪŋli/

unerringly

毫无错误

Meaning

Without making any mistakes; always accurate

Example

The archer aimed unerringly at the target.

弓箭手毫无错误地瞄准了目标。

B1 adjective /ˌʌndərˈstændəbl/

understandable

可以理解的

Meaning

Able to be understood; reasonable or justifiable.

Example

Her reaction was understandable given the situation.

考虑到情况，她的反应是可以理解的。

B2 adjective /ˌʌnəˈvɔɪdəbəl/

Unavoidable

不可避免的; 无法回避的; 必然的

Meaning

cannot be avoided; certain to happen; inevitable

Example

The meeting is unavoidable, so we must attend.

这个会议是无法避免的，我们必须参加。

C2 verb /ʌnˈkaʊtʃ/

uncouch

从沙发上移开（罕见用法）

Meaning

to remove from a couch or to release from being laid down (rare/archaic usage)

Example

The surgeon attempted to uncouch the cataract.

外科医生试图去除白内障。

B2 adverb /ˈɜːrdʒəntli/

urgently

紧急地

Meaning

in a way that requires immediate attention or action

Example

The patient urgently needs medical attention.

病人紧急地需要医疗救助。

C1 adjective ʌnɪnˈhæbɪtəbəl

uninhabitable

不可居住

Meaning

Not suitable or safe for people to live in.

Example

Rapid urbanization can make cities uninhabitable.

快速城市化可能使城市变得无法居住。

C1 adjective /ˌʌnprɪˈtɛnʃəs/

unpretentious

谦虚的

Meaning

modest; not attempting to impress others with appearance or importance

Example

She lives in an unpretentious home but is very happy.

她住在一个谦虚的家里，但非常快乐。

C1 noun /ˌʌnbɪˈliːf/

Unbelief

不信

Meaning

lack of religious belief; skepticism or doubt

Example

His unbelief in the supernatural made him a skeptic.

他对超自然的怀疑使他成为了一个怀疑者。

B1 adjective /ʌnˈnoʊn/

Unknown

未知

Meaning

not known or identified; unfamiliar

Example

The author of this letter remains unknown.

这封信的作者仍然未知。

B2 noun ˌjuːtɪlaɪˈzeɪʃən

utilization

利用

Meaning

The action of making practical and effective use of something.

Example

Increased plastic utilization calls for better waste management.

塑料的使用增加要求更好的废物管理。

B1 verb /ʌnˈpæk/

unpack

拆开

Meaning

to remove items from a container; to explain or analyze something in detail

Example

After arriving home, she began to unpack her suitcase.

到家后，她开始拆开自己的行李箱。

C1 adjective /ʌnˈtʌtʃəbəl/

Untouchable

不可触碰的; 无法批评或攻击

Meaning

not able to be touched or affected; beyond criticism or attack

Example

The CEO seemed untouchable despite the scandal.

即使有丑闻，首席执行官似乎仍然是不可触碰的。

B2 adjective /ʌnˈkɒmən/

uncommon

不常见

Meaning

rare, unusual, or remarkable

Example

It is uncommon to see snow in this region.

在这个地区看到雪是不常见的。

B2 noun ˌɜːbənaɪˈzeɪʃən

urbanization

城市化

Meaning

The process by which towns and cities are formed and become larger as more people begin living and working in central areas.

Example

Urbanization leads to more developed infrastructure.

城市化导致更先进的基础设施。

C2 adjective /ʌpˈrɔːr.i.əs/

uproarious

极其滑稽

Meaning

Extremely funny or noisy; causing loud laughter or commotion.

Example

The comedian's jokes were absolutely uproarious.

喜剧演员的笑话绝对是极其滑稽的。

Meaning

Designed to be useful or practical rather than attractive; relating to the doctrine that actions are right if they are useful or for the benefit of a majority.

Example

The building had a simple utilitarian design.

C1 adjective /ʌnˈtɛnəbl/

untenable

无法维持

Meaning

not able to be maintained or defended against attack or objection

Example

The politician resigned when his position became untenable.

政治家在他的立场变得无法维持时辞职。

B2 adverb /ʌnˈsɜːrtənli/

uncertainly

不确定地

Meaning

in a way that shows doubt or lack of certainty

Example

She glanced uncertainly at the complicated instructions.

她不确定地看着复杂的说明。

B2 adjective /ˈʌpˌraɪt/

Upright

诚实且道德正确；垂直或挺立的姿势

Meaning

honest and morally correct; vertical or erect in position

Example

She is known for being an upright and honest businesswoman.

她以诚实和正直的商业女性而闻名。

C1 adjective /ʌnˈsteɪtɪd/

unstated

未声明

Meaning

not expressed directly in words; implied or left unsaid

Example

The contract included several unstated expectations.

合同包括了几个未声明的期望。

C1 adjective /ʌnˈdɔːntɪd/

Undaunted

无畏的; 勇敢的; 不屈的;

Meaning

not intimidated or discouraged by difficulty, danger, or disappointment

Example

Despite the setbacks, she remained undaunted in pursuing her goals.

尽管遇到挫折，她在追求目标时依然无畏。

B2 adjective /ˌʌnkənˈvɛnʃənl/

unconventional

非传统的

Meaning

not based on or conforming to what is generally done or believed

Example

Her unconventional approach to teaching inspired her students to think creatively.

她非传统的教学方法激发了学生的创造性思维。

A2 adjective /ʌnˈtaɪdi/

Untidy

凌乱的; 无序的;

Meaning

not neat or orderly; messy and disorganized

Example

Her untidy room was filled with clothes scattered everywhere.

她凌乱的房间充满了四处散落的衣服。

B2 adjective /ʌnprəˈfɛʃ.ən.əl/

Unprofessional

不专业

Meaning

not conforming to the standards expected in a particular profession

Example

His unprofessional behavior led to his dismissal from the company.

他的不专业行为导致他被公司解雇。

C1 adjective /ʌnˈɡɑː.dɪd/

Unguarded

不设防的

Meaning

not protected or defended; careless about revealing private thoughts or information

Example

In an unguarded moment, she revealed her true feelings about the project.

在一个不设防的时刻，她揭示了她对这个项目的真实感受。

B2 adjective /ʌnəˈfreɪd/

unafraid

无畏

Meaning

Not feeling fear; brave or courageous

Example

She walked into the dark room, unafraid of what might be inside.

她走进黑暗的房间，无畏里面可能有什么。

B2 adjective /ˌʌndɪˈstɜːrbd/

Undisturbed

未打扰

Meaning

not interrupted or interfered with; calm and peaceful

Example

She slept undisturbed for eight hours.

她睡了八个小时没有打扰。

B2 adjective ʌnˈprɛsɪˌdɛntɪd

unprecedented

前所未有

Meaning

Never done or known before; without previous example.

Example

Unprecedented advancements in science changed human lives.

科学上的前所未有的进展改变了人类的生活。

C1 adverb /ˌʌnkənˈvɛnʃənəli/

unconventionally

非传统地

Meaning

in a way that is not based on or conforming to accepted standards or norms

Example

She dresses unconventionally, mixing bold colors and patterns that surprise everyone.

她穿着非传统地，混搭大胆的颜色和图案，让每个人都感到惊讶。

B2 adjective /ˌʌnɪnˈtenʃənəl/

Unintentional

非故意的；意外的

Meaning

not done on purpose; accidental

Example

The damage to the car was unintentional.

车的损坏是非故意的。

B2 adjective /ʌnˈwaɪz/

unwise

不明智

Meaning

Showing poor judgment; not sensible or prudent.

Example

It would be unwise to invest all your money in one company.

把所有的钱都投入一家公司的做法不明智。

C1 noun /juːnəˈnɪməti/

Unanimity

一致性

Meaning

complete agreement among all members of a group

Example

The committee reached unanimity on the new policy.

委员会在新政策上达成了一致意见。

C2 adjective /ʌnˈtʃeɪst/

Unchaste

不道德的; 不纯洁的;

Meaning

not celibate; having engaged in sexual relations; lacking moral purity

Example

The conservative society considered her behavior unchaste and improper.

保守的社会认为她的行为不道德和不合适。

B2 adjective /ʌnˈsuːtəbl/

Unsuitable

不适合; 不合适

Meaning

not fitting or appropriate for a particular purpose or situation

Example

This formal dress is unsuitable for a casual beach party.

这件正式的衣服不适合参加随意的海滩派对。

C2 adjective /ʌnˈwiːldi/

unwieldy

笨重

Meaning

Difficult to carry or move because of its size, shape, or weight.

Example

The box was too unwieldy to carry up the stairs.

这个盒子太笨重了，无法把它提上楼梯。

C2 noun /ɜːrˈbænɪti/

urbanity

都市气质

Meaning

refined courtesy, elegance, and sophistication in manner

Example

Her urbanity made her popular among diplomats and leaders.

她的都市气质让她在外交官和领导人中非常受欢迎。

C1 adjective /ʌnˈfɔːltərɪŋ/

unfaltering

坚定不移

Meaning

Steady and resolute; not weakening or hesitating

Example

She continued with unfaltering determination.

她以坚定不移的决心继续前进。

B2 adjective /ʌnˈstɛdi/

unsteady

不稳定的

Meaning

not firm or stable; likely to change or fail

Example

She felt unsteady on her feet after the long journey.

长途旅行后，她感到站立不稳。

C1 adjective /ˈʌpərˌmoʊst/

uppermost

最高

Meaning

situated at the highest place or most important

Example

Her family's safety was uppermost in her mind during the crisis.

她在危机期间心里最重要的是家庭的安全。

C2 noun /ˌjuːnɪˈtɛəriən/

unitarian

一神论者

Meaning

A person who believes that God exists as one entity rather than as a Trinity; a member of a religious denomination that emphasizes individual freedom of belief.

Example

The Unitarian church is known for its inclusive and open-minded approach.

一神论教会以其包容和开放的思想方式而闻名。

C1 adjective /ʌnˈsɜːrvɪsəbəl/

Unserviceable

无法使用的; 有缺陷的

Meaning

not in working order; unable to be used; defective

Example

The old computer became unserviceable after the system crash.

那台旧电脑在系统崩溃后变得无法使用。

B2 adjective /ʌnhaɪˈdʒiːnɪk/

Unhygienic

不卫生的；缺乏适当的卫生

Meaning

not clean; lacking proper sanitation

Example

The restaurant was closed due to unhygienic conditions in the kitchen.

由于厨房不卫生的条件，餐厅被关闭。

A1 noun /ˌjuːnɪˈvɜːrsɪti/

university

大学

Meaning

an institution of higher education and research, which grants academic degrees

Example

She is studying law at the university.

她在大学学习法律。

C2 noun /ˈjuːʒəri/

usury

高利贷

Meaning

The practice of lending money at unreasonably high interest rates.

Example

The law strictly prohibits usury.

法律严格禁止高利贷。

C1 noun /ˌʌl.tɪˈmeɪ.təm/

Ultimatum

最后通牒

Meaning

a final demand or statement of terms, the rejection of which will result in retaliation

Example

The boss gave him an ultimatum: improve or be fired.

老板给了他一个最后通牒：要么改进，要么被解雇。

A2 adjective /ʌnˈkʌmf.tə.bəl/

Uncomfortable

不舒服

Meaning

causing or feeling slight pain or physical discomfort; making someone feel embarrassed, awkward, or anxious

Example

The chair was so uncomfortable that I couldn't sit in it for more than ten minutes.

这个椅子太不舒服了，我坐在上面超过十分钟就坐不下来了。

B1 adjective /ʌnˈkʊkt/

uncooked

生的

Meaning

Not cooked; in a raw state.

Example

Eating uncooked meat can be dangerous.

吃生肉可能是危险的。

C2 noun /ˈjuːzjuːfrʌkt/

usufruct

使用权

Meaning

The legal right to use and enjoy the benefits of someone else’s property without owning it.

Example

The tenant had the usufruct of the land but not its ownership.

租户有权使用这片土地，但没有所有权。

B1 adjective /ʌnˈnesəseri/

Unnecessary

不必要的；多余的

Meaning

not needed; not required; pointless

Example

The meeting was unnecessary since all decisions were already made.

会议是多余的，因为所有的决定已经做出。

C1 adjective /ˌʌnˈpɑr.də.nə.bəl/

Unpardonable

不可宽恕的

Meaning

too bad to be forgiven; inexcusable

Example

His betrayal of trust was an unpardonable offense.

他的背叛是不可原谅的罪行。

C2 noun /ˈʌp.wel.ɪŋ/

upwelling

上升流

Meaning

An oceanographic phenomenon that involves wind-driven motion of dense, cooler, and nutrient-rich water towards the ocean surface.

Example

Upwelling brings nutrients to the ocean surface.

上升流将营养物质带到海洋表面。

B1 adjective /ʌnˈklɪər/

unclear

不清楚

Meaning

not easy to understand; vague or ambiguous

Example

The instructions were unclear, so I asked for clarification.

说明不清楚，所以我要求澄清。

B2 adjective /ˈʌl.tɪ.mət/

Ultimate

最终的; 极致的; 终极的

Meaning

being the best or most extreme example of its kind; final; last

Example

This is the ultimate test of your skills.

这是你技能的终极考验。

C2 verb /ˈʌndjʊleɪt/

undulate

波动

Meaning

To move with a smooth, wave-like motion.

Example

The snake undulated across the sand.

蛇在沙滩上蜿蜒前行。

C2 adjective /ʌnˈwəʊntɪd/

unwonted

不寻常

Meaning

Unusual, uncommon, or out of the ordinary.

Example

She spoke with an unwonted gentleness that surprised everyone.

她以一种不寻常的温柔说话，令所有人都感到惊讶。

B1 verb /juˈnaɪt/

unite

联合

Meaning

to join together or combine; to bring people or things together

Example

The crisis helped unite the community.

危机帮助团结了社区。

B2 adjective /ˈʌpˌhɪl/

Uphill

困难的; 需要巨大努力的; 向上的倾斜

Meaning

difficult; requiring great effort; sloping upward

Example

Learning a new language can be an uphill battle.

学习一门新语言可能是一个艰难的战斗。

C1 adjective /ˌʌnəˈteɪnəbl/

unattainable

无法实现的

Meaning

impossible to achieve, reach, or accomplish

Example

For many, becoming a professional athlete remains an unattainable dream.

对许多人来说，成为职业运动员仍然是一个无法实现的梦想。

C2 adjective /ˈɜːrsaɪn/

ursine

熊似的

Meaning

Relating to or resembling a bear.

Example

The man’s ursine strength amazed everyone.

那个人熊似的力量让所有人都吃惊。

B2 verb /ˌʌndərˈteɪk/

undertake

承担

Meaning

to commit to and begin a task or project; to take on responsibility

Example

She decided to undertake a challenging project.

她决定承担一个具有挑战性的项目。

B2 adjective /ˌʌndɪˈzaɪərəbl/

Undesirable

不受欢迎的; 有害的; 令人不快的

Meaning

not wanted or wished for; harmful or unpleasant

Example

The new policy had several undesirable consequences.

新政策带来了几个不受欢迎的后果。

B2 adjective /ˌjuːnɪˈvɜːrsəl/

Universal

普遍的

Meaning

applicable to all cases; existing everywhere

Example

Music is a universal language that everyone understands.

音乐是一种普遍的语言，人人都能理解。

C2 noun /ˈʌŋkʃən/

unction

涂抹

Meaning

The act of anointing as part of a religious or ceremonial ritual; excessive or insincere flattery.

Example

The priest performed the holy unction with solemnity.

牧师庄重地进行了神圣的涂抹仪式。

B2 verb /ˌʌndərˈɛstɪmeɪt/

underestimate

低估

Meaning

To judge something as less important or smaller than it really is.

Example

Never underestimate the power of teamwork.

永远不要低估团队合作的力量。

B2 adverb /ʌnˈkɒnʃəsli/

unconsciously

无意识地

Meaning

without being aware of one's actions or surroundings

Example

She unconsciously tapped her foot to the rhythm of the music.

她无意识地跟着音乐的节奏轻轻跺脚。

C1 verb /ʌnˈsɛtl/

unsettle

扰乱

Meaning

To disturb or make someone feel anxious or uneasy.

Example

The sudden news unsettled the entire community.

突如其来的消息让整个社区感到不安。

B2 adjective /ˈʌt.ɚ/

Utter

完全的; 绝对的; 全部的

Meaning

complete; absolute; total

Example

The movie was an utter disaster at the box office.

这部电影在票房上完全失败了。

B2 adjective /ʌnˈiːvən/

Uneven

不平; 粗糙

Meaning

not level or smooth; not regular or consistent

Example

The road was uneven and full of potholes.

那条路不平，充满了坑洞。

C1 verb /ˌʌndərˈsteɪt/

understate

低估

Meaning

To describe something as being less important or serious than it really is.

Example

He tends to understate his achievements.

他倾向于低估自己的成就。

B2 adjective /ʌnˈtʃeɪndʒɪŋ/

unchanging

不变的

Meaning

remaining the same over time; not changing

Example

Her love for her family was unchanging throughout the years.

她对家人的爱多年来始终不变。

C1 verb /ʌnˈmɑːsk/

unmask

揭露；暴露真相

Meaning

to remove a mask or covering; to reveal the true identity, nature, or intentions of someone or something

Example

The investigation helped unmask the real culprit behind the crime.

调查帮助揭露了犯罪背后的真正罪犯。

B1 adjective /ʌnˈpɒpjʊlə/

unpopular

不受欢迎的

Meaning

not liked or supported by many people

Example

The decision was unpopular with the public.

这个决定在公众中不受欢迎。

C1 noun /ˈʌndərdɒɡ/

underdog

逆袭者

Meaning

a competitor thought to have little chance of winning; a weaker party in a contest

Example

The underdog team surprised everyone by winning the championship.

逆袭者队伍通过赢得锦标赛让所有人都惊讶。

C1 adjective /ˌʌnəˈfɛktɪd/

unaffected

不受影响的, 自然的

Meaning

Not influenced or touched by something; genuine and natural.

Example

He remained unaffected by the criticism and kept working hard.

他对批评毫不受影响，继续努力工作。

B1 adjective /ˈʌpˌkʌmɪŋ/

upcoming

即将到来

Meaning

about to happen or appear

Example

The upcoming event will be held next week.

即将到来的活动将在下周举行。

C2 adjective /ˌʌnəˈʃʊəd/

unassured

不确定的

Meaning

Lacking confidence or certainty.

Example

She gave an unassured answer during the interview.

她在面试中给出了一个不确定的答案。

C1 adjective /ʌnˈkwes.tʃən.ə.bl̩/

Unquestionable

无可争议的; 确定的

Meaning

not able to be disputed or doubted; certain and beyond doubt

Example

Her honesty and integrity are unquestionable qualities.

她的诚实和正直是无可争议的品质。