A1 preposition /fɔːr/

for

为

Meaning

used to indicate purpose, destination, or recipient

Example

This gift is for you.

这个礼物是给你的。

C2 adjective /ˌdɪspjuːˈteɪʃəs/

disputatious

爱争辩的

Meaning

fond of or given to argument and debate

Example

His disputatious nature often led to heated conversations.

他争辩的性格常常导致激烈的讨论。

C2 noun (plural) /ˌmæk.ɪˈneɪ.ʃənz/

machinations

阴谋

Meaning

complicated and secret plans, often intended to cause harm

Example

The politician was brought down by his own machinations.

那位政治家被自己的一手阴谋推翻了。

C2 adjective /ˈvɒkətɪv/

vocative

呼格

Meaning

relating to a case in grammar used for directly addressing someone

Example

In Latin, the vocative case is used when directly calling someone by name.

在拉丁语中，呼格用来直接用名字呼唤某人。

A2 noun /ˈtræfɪk/

traffic

交通

Meaning

movement of vehicles, goods, or people

Example

There was heavy traffic on the highway this morning.

今天早上高速公路上交通繁忙。

C2 adjective /ˈdɛdˌpæn/

deadpan

面无表情

Meaning

Deliberately impassive or expressionless in manner.

Example

She delivered the joke in a completely deadpan voice.

她以完全面无表情的声音讲了笑话。

C1 adjective /məˈkɑː.brə/

Macabre

可怕

Meaning

disturbing because concerned with death; gruesome and horrifying

Example

The horror movie had a macabre atmosphere.

这部恐怖片有一个可怕的氛围。

C1 noun /pɪˌdɛs.tri.ə.naɪˈzeɪ.ʃən/

pedestrianization

行人化

Meaning

Making areas pedestrian-friendly, closing any area to vehicle traffic and making it open only for pedestrians.

Example

The pedestrianization of city centers reduces pollution.

城市中心的行人化减少了污染。

C1 adjective /ˈsɒljʊbəl/

soluble

可溶的

Meaning

able to be dissolved, especially in water

Example

Sugar is soluble in water.

糖在水中可溶。

C1 noun /ˈdɒɡmə/

dogma

教条

Meaning

A principle or set of principles laid down by an authority as incontrovertibly true.

Example

The religious leader strictly adhered to traditional dogma.

宗教领袖严格遵守传统的教条。

B2 noun /ˌklærɪfɪˈkeɪʃən/

clarification

澄清

Meaning

The action of making a statement or situation less confused and more clearly comprehensible.

Example

The manager requested clarification on the project details.

经理要求对项目细节进行澄清。

B2 noun /ˈsɜːr.tən.ti/

Certainty

确定性

Meaning

firm conviction that something is the case; the quality of being reliably true

Example

We can say with certainty that the project will be completed on time.

我们可以确定地说，项目将按时完成。

C1 verb /dɪˈplɔːr/

deplore

谴责

Meaning

to feel or express strong disapproval of something; to regret deeply

Example

Many people deplore the violence shown on television.

许多人谴责电视上展示的暴力。

B2 noun /ˈweər.ə.baʊts/

Whereabouts

下落; 位置

Meaning

the place where someone or something is located

Example

Nobody knows the whereabouts of the missing person.

没有人知道失踪者的下落。

A2 noun/verb/adjective /ˈsʌbdʒɪkt/ (noun), /səbˈdʒɛkt/ (verb)

subject

主题

Meaning

noun: a topic or theme; verb: to cause to undergo; adjective: dependent or under authority

Example

The teacher introduced a new subject in class.

老师在课堂上介绍了一个新主题。

A2 verb /ˈhɜːri/

hurry

赶快

Meaning

to move or act with great speed; to rush

Example

We need to hurry or we'll be late.

我们得赶快，否则我们会迟到。

C1 adjective /məˈnɒtənəs/

Monotonous

单调的; 无聊的; 重复的

Meaning

lacking in variety; tediously unvarying; boring and repetitive

Example

The monotonous sound of the rain made everyone feel sleepy.

雨的单调声音让每个人都感到困倦。

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。

C2 adjective /boʊˈhiːmiən/

bohemian

波希米亚

Meaning

unconventional, artistic, and free-spirited in lifestyle or appearance

Example

She decorated her apartment in a bohemian style with colorful fabrics.

她用色彩缤纷的布料装饰了她的公寓，采用了波希米亚风格。

B2 adjective /hɑːrʃ/

Harsh

严厉的; 粗糙的; 残酷的; 严格的

Meaning

unpleasantly hard or rough in texture; cruel or severe

Example

The teacher gave harsh criticism about my work.

老师对我的工作给出了严厉的批评。

B2 verb /rɪˈɡeɪn/

regain

恢复

Meaning

to get back something that was lost; to recover

Example

He regains his strength after the illness.

他在生病后恢复了力量。

C1 verb /ˈhaɪtən/

heighten

提高

Meaning

to make or become greater in intensity or degree

Example

The announcement served to heighten the excitement in the room.

公告有助于提高房间里的兴奋。

C2 verb /ɪmˈpɛnd/

impend

临近

Meaning

to be about to happen; to loom threateningly

Example

Dark clouds suggested that a storm was impeding.

乌云暗示着暴风雨即将来临。

A2 noun/verb /əˈmaʊnt/

amount

金额

Meaning

a quantity of something, typically the total of a thing or things in number, size, value, or extent

Example

The total amount of money is not enough.

总金额不够。

C1 noun /ˈfɔːreɪ/

foray

突袭 / 初步尝试

Meaning

A sudden short attack or attempt, especially into new activity or territory.

Example

The company made its first foray into the international market.

公司首次进军国际市场。

C2 adjective /ˈfrɒlɪksəm/

Frolicsome

顽皮的; 快乐的; 活泼的

Meaning

joyful; playful; merry; cheerful

Example

The frolicsome children laughed and played in the park.

顽皮的孩子们在公园里笑着玩耍。

C2 verb /bɪˈtəʊkən/

betoken

预示

Meaning

to be a sign or indication of something

Example

Dark clouds betoken an approaching storm.

乌云预示着即将到来的暴风雨。

C1 adjective /ˈmiːɡər/

meager

贫乏

Meaning

Lacking in quantity or quality; inadequate.

Example

He could barely survive on his meager salary.

他几乎无法靠他微薄的薪水生存。

B2 adverb /ruːˈtiːnli/

routinely

定期地

Meaning

as part of a regular procedure; habitually

Example

The staff routinely checks the equipment for safety.

工作人员定期检查设备的安全性。

C1 adjective /ɪnˈvɜːs/

Inverse

相反的；反向的

Meaning

opposite in order, nature, or effect; reversed

Example

There is an inverse relationship between price and demand.

价格和需求之间存在逆向关系。

A1 noun /stɑːr/

Star

星星

Meaning

a fixed luminous point in the night sky that produces light and heat through nuclear fusion

Example

Thousands of stars are visible in the clear night sky.

数千颗星星在清澈的夜空中可见。

C2 adjective /ˈæməˌtɔːri/

amatory

与爱相关的

Meaning

Relating to or expressing sexual love.

Example

The poet’s verses were filled with amatory themes.

诗人的诗句充满了爱情主题。

A2 adverb /ˈsɪə.ri.əs.li/

seriously

认真地

Meaning

in a solemn or thoughtful manner

Example

She took the matter very seriously.

她非常认真地对待了这个问题。

A2 noun /ˈɪʃ.uːz/

issues

问题

Meaning

Important topics or problems for debate or discussion.

Example

Health issues from pollution are increasing.

污染带来的健康问题在增加。

A1 noun, verb /pleɪs/

place

地方

Meaning

a particular position or location; to put something in a specific position

Example

She placed the books on the table.

她把书放在桌子上。

A2 noun /ˈprɪzən/

prison

监狱

Meaning

a building where people are kept as punishment for a crime or while waiting for trial

Example

He was sent to prison for his crimes.

他因犯下罪行而被送进监狱。

B2 noun ɪˈmjuː.nɪ.ti

immunity

免疫力

Meaning

The ability of an organism to resist a particular infection or toxin by the action of specific antibodies.

Example

A strong immunity protects against infections.

强大的免疫力可以防止感染。

C1 adjective /ˈheɪt.fəl/

Hateful

可憎的

Meaning

causing or deserving hatred; extremely unpleasant or offensive

Example

His hateful comments hurt everyone's feelings.

他那些充满仇恨的评论伤害了每个人的感情。

C1 noun /ˈsteɪ.ʃən.ər/

Stationer

文具商

Meaning

a person who sells paper, pens, pencils, and other office supplies

Example

The stationer recommended the best pens for writing exams.

文具商推荐了最适合考试的钢笔。

C1 noun /əˈsɛndənsi/

ascendancy

优势, 统治

Meaning

A position of power, influence, or control over others.

Example

The company gained ascendancy in the market through innovation.

该公司通过创新在市场中获得了优势。

C1 adjective /əˈprɛs.ɪv/

Oppressive

压迫的

Meaning

Harsh and authoritarian; overwhelming; causing distress; tyrannical;

Example

The oppressive heat made it difficult to work outside during the summer.

压迫性的热浪使得夏天在外工作变得很困难。

B1 verb /rɪˈviːl/

reveal

揭示

Meaning

to make known or show something that was hidden

Example

The investigation revealed the truth.

调查揭示了真相。

B1 noun /bɪˈliːf/

Belief

信念; 信任

Meaning

confidence in the truth or existence of something; trust or faith

Example

His belief in justice never wavered.

他对正义的信念从未动摇。

C2 verb /ɪnˈdaɪt/

indite

创作

Meaning

To write or compose (literary or formal works).

Example

The poet indited a heartfelt sonnet.

诗人创作了一首真挚的十四行诗。

B1 noun /rɪˈpɔːtɪŋ/

reporting

报道

Meaning

the act of giving news or information about something

Example

Good reporting is essential for public awareness.

好的报道对公众意识至关重要。

B2 adjective /ˌsuː.pəˈnætʃ.ər.əl/

Supernatural

超自然的

Meaning

relating to things that cannot be explained by natural or scientific laws; beyond the normal or physical world

Example

The old house was said to have supernatural powers.

据说那座老房子具有超自然的力量。

C2 noun /ˈkɪldʒɔɪ/

killjoy

扫兴的人

Meaning

a person who spoils the fun or enjoyment of others

Example

Don’t be a killjoy at the party.

别在派对上当扫兴的人。

A2 adjective /dʌtʃ/

dutch

荷兰的

Meaning

relating to the Netherlands, its people, or their language

Example

She enjoys Dutch paintings from the 17th century.

她喜欢17世纪的荷兰画作。

C1 noun ɪnˈdaʊmənt

endowment

捐赠, 赠款

Meaning

An income or form of property given or bequeathed to someone.

Example

The university received a large endowment for research.

大学收到了大量用于研究的捐赠。

C2 noun /ˈbɒnəmi/

bonhomie

友善

Meaning

Cheerful friendliness and geniality.

Example

The meeting was filled with laughter and bonhomie.

会议充满了笑声和友善。

B2 noun /ˈɡaɪd.laɪn/

guideline

指导方针

Meaning

a rule, instruction, or principle that provides direction

Example

The company issued new guidelines for employee safety.

公司发布了新的员工安全指导方针。

C1 noun /ˈhaɪbrɪd/

hybrid

混合动力

Meaning

a mixture of two different things, often combining the best qualities of both

Example

The car is a hybrid that runs on both electricity and fuel.

这辆车是一辆混合动力车，既能使用电力，也能使用燃料。

C1 noun /ˈsɔː.dʌst/

sawdust

锯末

Meaning

The tiny particles of wood produced by sawing or sanding.

Example

The floor was covered with sawdust from the carpentry work.

地板上覆盖着来自木工工作的锯末。

C2 adjective /ˈbʌmpʃəs/

bumptious

自负的

Meaning

Arrogantly self-assertive or conceited.

Example

The bumptious student interrupted the teacher several times.

那个自负的学生打断了老师好几次。

B2 noun /əˈkjuːzd/

accused

被告

Meaning

a person who has been charged with a crime

Example

The accused pleaded not guilty in court.

被告在法庭上表示无罪。

C2 noun /ˈkʌstərd ˈæpəl/

Custard Apple

奶油苹果

Meaning

a tropical fruit with sweet creamy white flesh and black seeds

Example

The custard apple has a sweet and creamy texture.

奶油苹果具有甜美和奶油般的口感。

B2 adjective /keɪˈɒtɪk/

Chaotic

混乱的; 无秩序的

Meaning

in a state of complete confusion and disorder

Example

The situation became chaotic after the announcement.

情况在公告后变得混乱。

C2 noun /ˈrɪvjʊlət/

rivulet

小溪

Meaning

a small stream of water; a tiny brook

Example

A rivulet ran down the hillside after the rain.

雨后，一条小溪从山坡上流下来。

C2 verb /ˈmɒlikɒdl/

mollycoddle

宠爱

Meaning

To treat someone in an overprotective and indulgent way.

Example

Parents should avoid mollycoddling their children too much.

父母应避免过度宠爱他们的孩子。

B1 verb /spred/

spread

传播

Meaning

to extend over a larger area; to distribute; to apply

Example

The news spread quickly through the town.

新闻迅速在城镇传播。

C2 noun /əˈbaɪdəns/

abidance

遵守

Meaning

the act of following, accepting, or complying with something

Example

Her abidance by the rules impressed the committee.

她遵守规则给委员会留下了深刻印象。

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。

B2 adjective /əbˈsɜːrd/

absurd

荒谬的, 不合理的

Meaning

wildly unreasonable, illogical, or inappropriate

Example

It is absurd to think that the earth is flat.

认为地球是平的，这太荒谬了。

B2 noun ˈmʌltiˌtɑːskɪŋ

multitasking

多任务处理

Meaning

The performance of more than one task at the same time

Example

Multitasking reduces efficiency.

多任务处理降低了效率。

C2 noun /ˈsɪʒ.ən/

scission

分裂

Meaning

the act of cutting or dividing something

Example

The political party suffered a scission over ideological disputes.

政党因意识形态争议而经历了分裂。

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。

B2 adverb /pɪˈkju:.li.ə.li/

Peculiarly

以奇怪的方式; 以不寻常的方式

Meaning

in a strange or unusual way; in a manner that is distinctive or characteristic

Example

She dressed peculiarly for the formal dinner, wearing bright colors and unusual patterns.

她为正式晚宴穿着非常独特，穿着鲜艳的颜色和不寻常的图案。

B1 noun /paɪp/

pipe

管道

Meaning

a tube used for conveying liquids or gases

Example

The plumber fixed the broken pipe.

水管工修理了坏掉的管道。

A2 noun /pɛt/

pet

宠物

Meaning

a domesticated animal kept for companionship or pleasure

Example

My dog is my favorite pet.

我的狗是我最喜欢的宠物。

C1 verb /ˈskwɒndər/

squander

浪费

Meaning

to waste money, time, or opportunities in a careless way

Example

He squandered his inheritance on gambling.

他把遗产浪费在赌博上。

A2 adverb /twaɪs/

twice

两次

Meaning

two times

Example

I have seen that movie twice.

我看过那部电影两次。

C2 verb /ʌnˈɑːrm/

unarm

解除武装

Meaning

to remove weapons from someone or to deprive of means of attack or defense

Example

The soldiers were ordered to unarm the prisoners.

士兵接到命令解除囚犯的武装。

C1 noun /ˌkʌl də ˈsæk/

cul de sac

死胡同

Meaning

A street or passage closed at one end; a dead end.

Example

They bought a house at the end of a quiet cul de sac.

他们在一个安静的死胡同的尽头买了一栋房子。

B1 noun /ˈɝːθ.kweɪk/

earthquake

地震

Meaning

A sudden and violent shaking of the ground as a result of movements within the earth's crust.

Example

A powerful earthquake struck Japan last night.

昨晚日本发生了强烈的地震。

C1 noun /ˌsɪmbɪˈəʊsɪs/

symbiosis

共生关系

Meaning

A mutually beneficial relationship between different people or groups.

Example

The symbiosis between the two companies led to mutual growth.

两家公司之间的共生关系导致了共同的增长。

B2 noun /ˈɪnfənt/

infant

婴儿

Meaning

A very young child or baby.

Example

The infant was sleeping peacefully in the cradle.

婴儿在摇篮中安静地睡着。

B2 noun /ˈɪnstɪŋkt/

instinct

本能

Meaning

A natural way of behaving or reacting that does not require learning.

Example

Birds build nests by instinct.

鸟类本能地筑巢。

C1 noun /ˈnɒnʃələns/

nonchalance

漫不经心

Meaning

A relaxed and calm state, showing lack of concern or interest.

Example

She answered the tough questions with surprising nonchalance.

她用出人意料的漫不经心回答了那些难题。

C2 noun /ˈbɔːbəl/

bauble

小饰品

Meaning

A small, decorative trinket or ornament, often of little value.

Example

She wore a shiny bauble around her neck.

她脖子上戴着一个闪亮的小饰品。

B2 conjunction /wɛərˈæz/

whereas

然而

Meaning

used to introduce a contrast or comparison between two facts

Example

She prefers tea, whereas he likes coffee.

她喜欢喝茶，而他喜欢喝咖啡。

B2 adjective /ˈslʌɡ.ɪʃ/

Sluggish

迟缓; 无力; 不活跃

Meaning

slow-moving; lacking energy or alertness; inactive

Example

The old computer became sluggish after running for hours.

那台旧电脑运行了几个小时后变得迟缓。

C1 verb /ˌriːˈkæl.ɪ.breɪt/

recalibrate

重新校准, 重新调整

Meaning

To calibrate again or differently; to adjust or correct something based on new information or changed circumstances.

Example

The company had to recalibrate its strategies to adapt to the market.

公司必须重新校准其策略以适应市场。

C1 adjective /ɪnˈtændʒəbl/

intangible

无形的

Meaning

Unable to be touched or grasped; not having a physical presence.

Example

Trust is an intangible quality in relationships.

信任是关系中一种无形的品质。

C1 verb /ˈɛkˌsaɪz/

excise

切除

Meaning

to cut out or remove completely, often by surgery

Example

The surgeon excised the tumor successfully.

外科医生成功地切除了肿瘤。

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 adjective /səˈræfɪk/

seraphic

天使般的

Meaning

Of or like a seraph; angelic, pure, and blissful.

Example

She gave him a seraphic smile that calmed his fears.

她给了他一个天使般的微笑，安抚了他的恐惧。

C1 noun /rɪˈpjuːt/

repute

名誉

Meaning

the opinion generally held of someone or something; reputation

Example

He is a scholar of great repute in his field.

他在他的领域享有很高的名誉。

B2 noun /ˌvaɪ.əˈleɪ.ʃən/

Violation

违反; 违反规则

Meaning

the action of violating someone or something; the action of breaking or failing to comply with a rule or formal agreement

Example

The company was fined for violation of environmental regulations.

该公司因违反环境法规而被罚款。

B1 noun /səˈpɔːtər/

supporter

支持者

Meaning

a person who supports someone or something

Example

She is a strong supporter of the local animal shelter.

她是当地动物收容所的强大支持者。

C1 adjective /ˈbleɪtənt/

blatant

明显的

Meaning

done openly and unashamedly; obvious and offensive

Example

The company's blatant disregard for safety regulations angered the public.

公司对安全规定的公然蔑视激怒了公众。

C2 verb /diːˈpɒpjʊˌleɪt/

depopulate

减少人口

Meaning

To reduce the number of people living in a place.

Example

The war threatened to depopulate the once-thriving town.

战争威胁要使曾经繁荣的城市人口减少。

C2 adjective /ˌvɛrɪˈsɪmɪlər/

verisimilar

类似于真实

Meaning

appearing to be true or real

Example

The story seemed verisimilar though it was entirely fictional.

这个故事看起来类似于真实，尽管它完全是虚构的。

C1 noun /ˈkaʊn.tə.nəns/

countenance

面容，表情；支持

Meaning

a person's face or expression; support or approval

Example

Her cheerful countenance brightened the room.

她那愉快的面容照亮了房间。

B2 noun /ˈkæʃuː nʌts/

Cashew nuts

腰果

Meaning

kidney-shaped nuts from the cashew tree, commonly eaten as snacks or used in cooking

Example

Cashew nuts are often used in Indian sweets and curries.

腰果常用于印度的甜点和咖喱中。

C1 noun /sərˈveɪər/

surveyor

测量员

Meaning

A person who measures and maps land, buildings, or other features.

Example

The surveyor measured the land for construction.

测量员为建设测量了土地。

B2 noun ˈəʊnəʃɪp

ownership

所有权

Meaning

The act, state, or right of possessing something; legal title to something.

Example

Ownership of resources was crucial.

资源的所有权至关重要。

B1 verb /dɪˈspleɪ/

display

展示

Meaning

to show or exhibit; to present for others to see

Example

The museum displays ancient artifacts.

博物馆展示古代文物。

C2 verb /ˌnɒnˈplʌst/

nonplussed

困惑

Meaning

Past tense of nonplus; surprised and unsure how to react.

Example

He stood nonplussed at the strange remark.

他对奇怪的评论感到困惑。

C2 noun /ˌluː.mɪˈnɛs.əns/

luminescence

发光现象

Meaning

The emission of light by a substance not resulting from heat; a type of cold light.

Example

The luminescence of the fireflies lit up the forest.

萤火虫的发光现象照亮了森林。

B2 adjective /kruːd/

crude

原油

Meaning

in a natural or raw state; not yet processed or refined

Example

The crude oil is processed into fuel and chemicals.

原油被加工成燃料和化学品。

C2 noun/adjective /ˈsaɪklɔɪd/

cycloid

摆线

Meaning

a curve traced by a point on the rim of a circle as it rolls along a straight line

Example

The cycloid is often studied in mathematics and physics.

摆线常在数学和物理学中研究。

C1 noun əˌkred.ɪˈteɪ.ʃən

accreditation

认证

Meaning

The action or process of officially recognizing someone or something as having a particular status or being qualified to perform a particular activity.

Example

Accreditation ensures institutional credibility.

认证确保了机构的可信度。

B2 verb /skreɪp/

scrape

擦, 刮

Meaning

to remove or damage the surface of something by rubbing or scratching; to collect something by effort

Example

He scraped his knee while playing football.

他在踢足球时擦伤了膝盖。

C1 verb /ˈnʌrɪʃ/

nourish

滋养

Meaning

To provide with food or other substances necessary for growth, health, and good condition

Example

Good books nourish the mind.

好书滋养心灵。

C1 noun /rɪˈzʌmp.ʃən/

Resumption

恢复

Meaning

the action of beginning something again after a pause or interruption

Example

The resumption of classes will be announced next week.

下周将宣布课程的恢复。

C1 noun /ɪnˈsɜːʃən/

insertion

插入

Meaning

the action of inserting something into something else

Example

The insertion of the new data was completed successfully.

新数据的插入已成功完成。

C1 verb /ˌaʊtˈweɪ/

outweigh

比...更重要

Meaning

To be more important, valuable, or significant than something else.

Example

The benefits of the new policy outweigh the risks.

新政策的好处超过了风险。

C1 noun /ɛnˈdɔːr.fɪnz/

endorphins

内啡肽

Meaning

Chemical compounds produced by the brain that reduce pain and create feelings of happiness.

Example

Exercise releases endorphins, reducing stress and pain.

锻炼释放内啡肽，减轻压力和疼痛。

C1 noun /ˈdʒiː.nəs/

genus

属

Meaning

a category in biological classification ranking above species and below family

Example

The tiger belongs to the genus Panthera.

老虎属于豹属 Panthera。

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。

为什么

Meaning

For what reason or purpose; used to ask about the cause of something

Example

Why are you late today?

今天你为什么迟到了？