hazardous
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B2 adjective ˈhæzədəs

hazardous

危险的
Meaning
Dangerous, risky, or potentially harmful
Example
Hazardous pollutants increase health risks.
危险的污染物增加健康风险。
A1 adjective /hɒt/

Hot

热的; 温暖的; 灼热的;
Meaning
having high temperature; warm; heated;
Example
The coffee is too hot to drink.
咖啡太热了，不能喝。
A2 adverb /ˈhæpɪli/

happily

幸福地
Meaning
in a happy manner; with pleasure or satisfaction
Example
The children played happily in the garden.
孩子们在花园里幸福地玩耍。
C2 adjective/noun /ˌhaɪərəˈɡlɪfɪk/

hieroglyphic

象形文字的
Meaning
Relating to or written in hieroglyphs; symbols or writing that is difficult to understand.
Example
The archaeologists studied the hieroglyphic inscriptions carefully.
考古学家仔细研究了象形文字铭文。
C2 noun /hʊˈzɑːr/

hussar

轻骑兵
Meaning
a member of a light cavalry regiment in European armies, especially the Hungarian cavalry
Example
The hussar rode swiftly across the battlefield.
哈萨尔迅速穿越战场。
A2 noun /ˈherˌdrɛsər/

hairdresser

理发师
Meaning
a person whose job is to cut, style, and treat hair
Example
The hairdresser gave me a stylish haircut before the wedding.
理发师在婚礼前给我做了一个时尚的发型。
A1 pronoun /hɜːrz/

hers

她的（女性的）东西
Meaning
used to refer to something that belongs to or is associated with a female person previously mentioned or easily identified.
Example
That blue bag is hers.
那个蓝色的包是她的。
A2 verb /hɑːrm/

harm

伤害
Meaning
to cause damage, injury, or hurt to someone or something
Example
Smoking can harm your health.
吸烟可能会损害你的健康。
B2 adverb /hɛns/

hence

因此
Meaning
for this reason; as a result
Example
She was the best candidate, hence she was chosen for the job.
她是最优秀的候选人，因此她被选中担任这份工作。
B1 noun /ˈhaɪ.weɪ/

highway

高速公路
Meaning
A main road, especially one connecting major towns or cities.
Example
The highway was blocked due to an accident.
由于事故，高速公路被封锁了。
C2 noun /ˈhaɪərəˌɡlɪf/

hieroglyph

象形文字
Meaning
A picture or symbol used in ancient writing systems, especially Egyptian writing.
Example
The walls of the temple were covered in hieroglyphs.
寺庙的墙壁上覆盖着象形文字。
A2 noun /hɛlθ/

health

健康
Meaning
The state of being free from illness or injury.
Example
Exercise is important for good health.
锻炼对保持良好的健康很重要。
B2 verb /ˈhezɪteɪt/

hesitate

犹豫
Meaning
to pause before acting; to be uncertain about what to do
Example
Don't hesitate to ask for help.
不要犹豫，随时寻求帮助。
C2 verb /haɪˈpɒθɪkeɪt/

hypothecate

Meaning
to pledge something, such as property, as security for a debt without giving up possession of it.
Example
The company hypothecated its assets to secure the loan.
C2 adjective /ˈhɔːrtətɔːri/

hortatory

Meaning
Intended to encourage or urge to action.
Example
The manager’s hortatory words inspired the team to work harder.
C1 adjective /ˈhæloʊd/

hallowed

神圣
Meaning
regarded as holy or greatly respected
Example
They walked across the hallowed halls of the old university.
他们走过了老大学的神圣大厅。
B2 adjective /hɑːˈspɪtəbəl/

Hospitable

友好且热情地接待陌生人或客人; 热情好客
Meaning
friendly and welcoming to strangers or guests; generous in receiving guests
Example
The local people were very hospitable to the tourists.
当地人对游客非常热情好客。
B2 noun /ˈhaɪdrədʒən/

hydrogen

氢气
Meaning
a colorless, odorless, highly flammable gas that is the lightest and most abundant chemical element in the universe
Example
Hydrogen is used as a clean fuel in many energy systems.
氢气在许多能源系统中作为清洁燃料使用。
C2 noun /ˈhæŋ.kər.ɪŋ/

hankering

渴望
Meaning
a strong desire or craving for something.
Example
She had a hankering for chocolate late at night.
她深夜时对巧克力有了强烈的渴望。
B2 adjective /ˈhɑlːoʊ/

Hollow

空的; 中空的;
Meaning
having an empty space inside; lacking substance or meaning; insincere
Example
The hollow tree trunk provided shelter for small animals.
空心树干为小动物提供了庇护。
C2 noun /ˈhɔːθɔːrn/

hawthorn

有刺灌木
Meaning
A thorny shrub or small tree with white or pink flowers, often used for hedges.
Example
The garden was lined with blooming hawthorn bushes.
花园里种满了盛开的山楂灌木。
B2 noun helθ ˈhæzərdz

health hazards

健康危害
Meaning
Risks or dangers to physical health and well-being that can cause illness or injury.
Example
Plastic usage leads to significant health hazards.
塑料使用导致重大的健康危害。
B2 noun /ˈheɪ.trəd/

Hatred

仇恨
Meaning
intense dislike or ill will; a feeling of strong aversion
Example
His hatred for injustice motivated him to become a human rights lawyer.
他对不公正的仇恨促使他成为了一名人权律师。
C2 noun /ˈhɔːzər/

hawser

用于系船或拖船的粗绳
Meaning
A thick rope or cable used in mooring or towing a ship.
Example
The sailors secured the ship to the dock with a heavy hawser.
水手们用一根重的豪泽把船固定在码头。
C2 noun /haɪˈdrɒmɪtər/

hydrometer

Meaning
An instrument used to measure the density or specific gravity of liquids.
Example
The brewer used a hydrometer to test the sugar content of the solution.
C1 verb /ˈheɪsən/

hasten

加速
Meaning
To move or act quickly; to cause something to happen sooner.
Example
He hastened to finish his work before the deadline.
他急忙在截止日期前完成工作。
C1 noun /huːf/

Hoof

蹄
Meaning
the hard part covering the foot of horses, cattle, sheep, and other animals
Example
The horse's hoof was injured after stepping on a sharp rock.
马的蹄子在踩到一块锋利的石头后受伤了。
C1 adjective /ˌhæpi ɡoʊ ˈlʌki/

happy-go-lucky

无忧无虑的，轻松的，无忧的
Meaning
cheerfully unconcerned about the future; carefree
Example
She has a happy-go-lucky attitude and never worries about tomorrow.
她有着无忧无虑的态度，从不担心明天。
A2 adjective ˈhjuː.mən

human

人类的
Meaning
Relating to or characteristic of people or human beings; showing the better qualities of humankind, such as kindness.
Example
Human values shape social systems.
人类的价值观塑造了社会体系。
B2 noun /hʌt/

hut

小屋
Meaning
a small simple shelter or house
Example
They lived in a small wooden hut near the river.
他们住在靠近河流的一个小木屋里。
C1 verb ˈhɪndər

hinder

阻碍
Meaning
To obstruct or delay the progress of something
Example
Excessive rain hinders vegetable growth.
过多的雨水阻碍了蔬菜的生长。
C2 noun /ˈhæk.ni ˈkær.ɪdʒ/

Hackney carriage

出租车
Meaning
A taxi; a car licensed to carry passengers for hire
Example
I called a hackney carriage to get to the airport.
我叫了一辆出租车去机场。
A1 verb /hɪər/

hear

听
Meaning
to perceive sound; to listen to
Example
I can hear the birds singing.
我能听见鸟儿唱歌。
C2 noun /ˈhoʊʒəri/

hosiery

长袜和腿部衣物
Meaning
Stockings, socks, and other knitted clothing for the legs and feet.
Example
She bought new hosiery for the winter season.
她为冬季季节买了新的长袜。
B2 noun /heɪ/

hay

干草
Meaning
grass that has been cut, dried, and stored for use as animal feed
Example
The cows were eating hay in the barn.
牛在谷仓里吃干草。
B2 adjective /hɪˈlɛəriəs/

hilarious

极其有趣
Meaning
Extremely funny or amusing.
Example
The comedian told a hilarious story that had everyone laughing.
那位喜剧演员讲了一个极其有趣的故事，让每个人都笑了。
A2 verb /hæŋ/

hang

挂
Meaning
to suspend or be suspended from above; to attach from a higher point
Example
I hang my coat on the hook.
我把外套挂在钩子上。
B2 noun /həˈraɪ.zən/

horizon

地平线
Meaning
the line where the earth seems to meet the sky; the limit of one's knowledge, experience, or interest
Example
The sun disappeared below the horizon.
太阳消失在地平线下。
C1 verb /hoʊn/

hone

磨锐，改善技能
Meaning
To sharpen a blade or to improve a skill through practice.
Example
She honed her presentation skills before the big meeting.
她在大会议之前磨练了自己的演讲技巧。
C2 noun /hæˈʃiːʃ/

hashish

哈希什
Meaning
a drug made from the resin of the cannabis plant
Example
The police arrested him for possessing hashish.
警方因持有哈希什逮捕了他。
C1 noun /ˈhaɪndsaɪt/

hindsight

事后诸葛亮
Meaning
Understanding of a situation only after it has happened.
Example
With the benefit of hindsight, we realized the decision was a mistake.
在事后我们意识到这个决定是个错误。
B2 noun /ˈhɑːrvɪst/

harvest

收获
Meaning
the process or period of gathering crops
Example
Farmers are busy during the rice harvest season.
农民在稻谷收获季节非常忙碌。
C1 adjective /hɔːrs/

Hoarse

沙哑或粗哑的声音; 因大声喊叫或生病而变沙哑
Meaning
rough or harsh in sound; having a rough voice from shouting or illness
Example
His voice became hoarse after shouting at the concert.
他的声音在音乐会后变得沙哑。
C1 noun /ˈheɪˌdeɪ/

heyday

黄金时期
Meaning
The period of greatest success, popularity, or power.
Example
In its heyday, the company dominated the market.
在黄金时期，公司主导了市场。
C2 noun /ˈhelmz.mən/

Helmsman

舵手; 船长
Meaning
a person who steers a ship or boat; the person at the helm of a vessel
Example
The experienced helmsman skillfully guided the yacht through the narrow channel during the storm.
经验丰富的舵手在暴风雨中熟练地引导游艇通过狭窄的航道。
C2 noun /hɒtʃ pɒtʃ/

Hotch potch

杂烩
Meaning
A mixed dish; a hodgepodge of ingredients cooked together
Example
She made a delicious hotch potch with rice, lentils, and vegetables.
她做了一道美味的霍奇波奇，里面有米饭、扁豆和蔬菜。
A1 noun /help/

Help

帮助; 援助
Meaning
the action of helping someone to do something; assistance or support
Example
The volunteer offered his help to carry the elderly woman's groceries to her car.
志愿者提供了帮助，将那位年长妇女的购物袋搬到她的车里。
C1 noun /ˈhæm.lət/

Hamlet

小村庄
Meaning
a small rural settlement, smaller than a village; a small community
Example
The tiny hamlet nestled in the valley had only a dozen houses and one small church.
位于山谷中的小村庄只有十几座房子和一座小教堂。
A2 noun ˈhæpɪnəs

happiness

幸福
Meaning
The feeling or state of being happy; a pleasurable or satisfying experience; contentment and joy.
Example
Happiness lies in enjoying the small things in life.
幸福就在于享受生活中的小事。
B1 noun হ্যান্ড এক্সারসাইজেস

hand exercises

手部运动
Meaning
Physical activities designed to strengthen, stretch, and improve the flexibility of hand and finger muscles.
Example
Regular hand exercises are essential for muscle recovery.
定期的手部运动对于肌肉恢复至关重要。
A2 noun /ˈhɛlɪˌkɒptər/

helicopter

直升机
Meaning
an aircraft with rotating blades that can take off and land vertically
Example
The helicopter landed safely on the hospital roof.
直升机安全地着陆在医院的屋顶。
C1 noun /ˈhaɪ.drəʊˌpaʊər ˌdʒen.əˈreɪ.ʃən/

hydropower generation

水力发电
Meaning
The production of electrical power through the use of the gravitational force of falling or flowing water.
Example
Hydropower generation promotes green energy.
水力发电促进绿色能源。
C1 noun /hjuːˈmɪl.ɪ.ti/

humility

Meaning
The quality of having a modest or low view of one's importance.
Example
She accepted the award with grace and humility.
C2 noun /ˈhʌmbʌɡ/

humbug

骗局, 胡说
Meaning
Deceptive or false talk or behavior; nonsense.
Example
He dismissed the idea as humbug.
他将这个想法视为胡说八道。
C2 noun /ˈhʌvəl/

hovel

Meaning
a small, poorly built, and dirty house
Example
The refugees lived in a makeshift hovel.
B1 noun /ˈhɛlθˌkɛər/

health-care

幸福
Meaning
the organized provision of medical services to maintain or improve health
Example
Access to quality health-care is essential for every citizen.
当她收到奖项时，她无法掩饰自己的幸福。
C2 verb /həˈmɑː.dʒə.naɪz/

homogenize

同质化
Meaning
To make uniform or similar by blending or mixing different elements.
Example
The company tried to homogenize its products across global markets.
公司尝试在全球市场上使其产品同质化。
B1 noun /ˈhæm.ər/

Hammer

锤子
Meaning
a tool with a heavy metal head for hitting nails or breaking things
Example
She used a hammer to nail the picture frame to the wall.
她用锤子把画框钉在墙上。
C2 adjective /ˌhɑːrdˈbɪtn̩/

hard-bitten

坚韧且经验丰富
Meaning
tough and experienced, not easily affected by emotions or hardship
Example
The hard-bitten detective showed no sign of surprise at the crime scene.
那个经验丰富的侦探在犯罪现场毫无惊讶之情。
B2 noun /ˈhɔːrmoʊn/

hormone

荷尔蒙
Meaning
a chemical substance produced in the body that influences how the body grows or functions
Example
Insulin is a hormone that controls blood sugar levels.
胰岛素是一种控制血糖水平的荷尔蒙。
C1 adverb /ˈhɛdˌlɔŋ/

headlong

全速前进
Meaning
With the head leading; in a rush or without thinking.
Example
She rushed headlong into the new project.
她全速前进地投入了新的项目。
A1 interjection /haɪ/

hi

嗨
Meaning
a friendly greeting used when meeting someone
Example
Hi, it's nice to meet you!
嗨，很高兴见到你！
C2 noun /ˈhɑː.mə.li/

Homily

布道; 乏味的道德讲座
Meaning
a religious discourse delivered as part of a church service; a tedious moralizing lecture
Example
The priest delivered an inspiring homily about compassion and forgiveness during Sunday service.
牧师在星期天的礼拜中发表了关于同情和宽恕的鼓舞人心的布道。
C2 adjective /ˈhæm ˌhændɪd/

ham-handed

笨拙
Meaning
clumsy or inept in handling things or situations
Example
His ham-handed attempt to fix the computer made it worse.
他笨拙的修理电脑的尝试反而使情况更糟。
C1 noun ˈhʌz.bən.dri

husbandry

农业和畜牧业
Meaning
The care, cultivation, and breeding of crops and animals; farming and agriculture.
Example
Proper husbandry techniques improve livestock health.
适当的农业技术能改善家畜健康。
C1 noun /hɒˈstɪləti/

hostility

敌意
Meaning
hostile behavior; unfriendliness or opposition
Example
The negotiations ended in an atmosphere of hostility.
谈判以敌意的氛围结束。
B2 noun ˈhoʊmˌskuː.lɪŋ

homeschooling

在家教育
Meaning
The practice of educating children at home rather than sending them to a school.
Example
Homeschooling allows parents to tailor education to their child's needs.
家庭教育使父母能够根据孩子的需要定制教育。
C2 noun /ˌhɛtərəʤəˈniːɪti/

heterogeneity

异质性
Meaning
the quality or state of being diverse in character or content
Example
The cultural heterogeneity of the city makes it vibrant and unique.
这座城市的文化异质性使其充满活力且独特。
B2 verb /ˈhɑːrnɪs/

harness

Meaning
To control and make use of natural resources, especially energy.
Example
Scientists are working to harness solar power effectively.
A2 noun /ˈhæn.dəl/

Handle

把手; 握柄; 处理
Meaning
the part by which a thing is held, carried, or controlled; to manage or deal with something
Example
The suitcase has a sturdy handle that makes it easy to carry through the airport.
这只行李有一个坚固的把手，使得通过机场时更加容易。
B2 adjective /ˈheɪsti/

Hasty

匆忙的; 急促的
Meaning
done or acting with excessive speed or urgency; hurried
Example
Don't make hasty decisions when you're angry.
生气时不要做出匆忙的决定。
C1 noun /hɑːrp/

Harp

竖琴
Meaning
a large triangular musical instrument with strings that are plucked
Example
The angel played a beautiful melody on the harp.
天使在竖琴上弹奏了一首美丽的旋律。
A1 noun /ˈhʌzbənd/

husband

丈夫
Meaning
A married man regarded in relation to his spouse.
Example
Her husband is very supportive of her career.
她的丈夫非常支持她的职业。
C2 adjective /ˈhæriːd/

harried

感到压力或忙碌
Meaning
feeling strained or stressed due to being overworked or constantly bothered
Example
The harried teacher struggled to calm the noisy classroom.
感到压力的老师努力让嘈杂的教室安静下来。
B1 noun /ˈhaʊshoʊld/

household

家庭
Meaning
All the people living together in one house, considered as a unit.
Example
There are five people in our household.
我们家里有五个人。
C1 adverb /ˈhʌŋ.ɡrə.li/

Hungrily

饥饿地; 贪婪地; 渴望地
Meaning
in a way that shows hunger; greedily; eagerly
Example
The dog ate hungrily after not eating for hours.
狗在几个小时没吃东西后，饥饿地吃了起来。
C1 verb /ˈhaɪdʒæk/

hijack

劫机
Meaning
to take control of a vehicle or situation illegally or by force
Example
The criminals attempted to hijack the airplane.
罪犯试图劫持飞机。
C1 noun /ˈhɪp.ə.krɪt/

Hypocrite

伪君子; 假仁假义者
Meaning
a person who acts in contradiction to their stated beliefs or feelings; a pretender
Example
Don't be a hypocrite by demanding honesty from others while lying yourself.
不要做伪君子，要求别人诚实，而自己却撒谎。
B2 noun, verb /ˈhɑːrbər/

harbor

Meaning
noun: a place on the coast where ships may find shelter; verb: to keep (a thought or feeling, often negative) in one's mind
Example
He continued to harbor resentment towards his former boss.
A2 pronoun /hɜːrˈsɛlf/

herself

她自己
Meaning
used to refer to a female person as the object of a verb or preposition when she is the subject
Example
She prepared the meal all by herself.
她自己做了饭。
B1 adverb /ˈhoʊpfəli/

hopefully

希望
Meaning
in a hopeful manner; expressing hope or optimism
Example
Hopefully, the weather will be nice tomorrow.
希望明天天气会很好。
B1 verb /ˈhaɪˌlaɪt/

highlight

突出
Meaning
to emphasize or make something stand out
Example
The teacher highlighted the most important points in the text.
老师在文本中强调了最重要的要点。
C1 adjective /ˈheɪ.zi/

Hazy

朦胧的; 模糊的; 不清楚的
Meaning
covered with haze; unclear or vague; lacking clarity
Example
The mountain tops were hazy in the morning mist.
山顶在早晨的雾气中显得朦胧。
C1 adjective /ˈhɔːltɪŋ/

halting

犹豫不决
Meaning
slow and hesitant, especially due to lack of confidence
Example
She gave a halting reply during the interview.
她在面试中给出了迟疑的回答。
C2 verb /ˈhæri/

harry

骚扰, 追扰
Meaning
to constantly attack, harass, or annoy
Example
The army harried the enemy with sudden raids.
军队通过突袭不断攻击敌人。
C2 adjective /ˌhaɪpərˈbɔːriən/

hyperborean

极北的
Meaning
Relating to the extreme north; very cold or frigid.
Example
The explorers prepared for the hyperborean climate of the Arctic.
探险者为北极的极北气候做准备。
B2 noun /hʌm/

Hum

嗡嗡声
Meaning
a low continuous sound; to make a low continuous droning sound
Example
The constant hum of the air conditioner helped her fall asleep peacefully.
空调的持续嗡嗡声帮助她安然入睡。
C1 noun /ˈhɑː.mə.nɪm/

homonym

同音异义词
Meaning
A word that is spelled and pronounced like another word but has a different meaning.
Example
The word 'bat' is a homonym because it can mean an animal or a sports tool.
'蝙蝠'这个词是一个同音异义词，因为它可以指代动物或运动器材。
C2 noun /hʌsk/

husk

外壳
Meaning
the dry outer covering of some fruits or seeds
Example
The corn husk was peeled away before cooking.
玉米的外壳在烹饪前被剥离。
B2 noun /ˈhændlɪŋ/

handling

处理
Meaning
the act of managing or dealing with something or someone
Example
His handling of the situation was impressive.
他对情况的处理令人印象深刻。
B1 adjective /ˈhoʊpfəl/

Hopeful

充满希望
Meaning
feeling or inspiring optimism about a future event; confident; optimistic
Example
He remained hopeful despite the challenges.
尽管面临挑战，他依然充满希望。
C2 noun /ˈhænd ˌrɪŋɪŋ/

hand-wringing

过度担忧
Meaning
excessive worry or concern expressed in a visible or dramatic way.
Example
There was much hand-wringing over the political crisis.
关于政治危机有很多戏剧性的担忧。
C1 noun ˈhaɪ.drə.dʒən ˈpaʊ.əd bʌsɪz

hydrogen-powered buses

氢能公交车
Meaning
Buses powered by hydrogen fuel cells that produce only water vapor as emission.
Example
Hydrogen-powered buses reduce air pollution.
氢能公交车减少空气污染。
C2 verb /ˈhʊdwɪŋk/

hoodwink

欺骗
Meaning
To deceive or trick someone.
Example
The scammer hoodwinked many people with false promises.
骗子用虚假的承诺欺骗了许多人。
B2 noun /ˈhæb.ɪ.tæt/

habitat

栖息地
Meaning
The natural environment where an organism lives and meets its needs.
Example
The polar bear's natural habitat is the Arctic region.
北极熊的自然栖息地是北极地区。
C1 verb /hiːd/

heed

注意
Meaning
to pay attention to; to take notice of
Example
You should heed the teacher's advice.
你应该听从老师的建议。
C1 verb /hɔːl/

haul

拖拉
Meaning
to pull or drag something heavy with effort
Example
The workers hauled the boxes into the truck.
工人们把箱子拖上了卡车。
B2 noun /ˈhæz.ərd/

Hazard

危害; 风险
Meaning
a danger or risk; something that poses a threat to safety
Example
Smoking is a serious health hazard that can lead to lung cancer and heart disease.
吸烟是一种严重的健康危害，可能导致肺癌和心脏病。
A2 adverb, conjunction /haʊˈɛvər/

however

然而
Meaning
used to introduce a statement that contrasts with or seems to contradict something previously said
Example
The journey was long; however, it was enjoyable.
旅程很长；然而，它是愉快的。
B2 noun /ˌhez.ɪˈteɪ.ʃən/

Hesitation

犹豫; 疑虑
Meaning
the action of pausing or delaying; uncertainty or unwillingness to act
Example
After a moment of hesitation, she decided to accept the challenging job offer from the company.
经过片刻的犹豫后，她决定接受公司提出的挑战性工作机会。
B1 noun /ˈɒnɪsti/

honesty

诚实
Meaning
the quality of being truthful and sincere
Example
Honesty is the best policy in all situations.
诚实是所有情况下最好的政策。
C2 noun /hɪˈdʒɛməni/ or /ˈhɛdʒəmoʊni/

hegemony

霸权
Meaning
leadership or dominance, especially by one state or group over others
Example
The empire maintained its hegemony over neighboring states.
帝国保持了对邻国的霸权。
C2 noun /hɪˈlærɪti/

hilarity

爆笑
Meaning
Extreme amusement, especially when expressed by laughter.
Example
The movie caused great hilarity among the audience.
这部电影在观众中引起了极大的爆笑。
B2 noun /ˈhɑːrd.ʃɪp/

Hardship

困境，痛苦
Meaning
severe suffering or privation; difficulty or distress
Example
Despite facing many hardships during the war, the family remained united and hopeful.
尽管在战争期间经历了许多困难，家庭依然保持团结和希望。
A2 adjective /ˈɑːnɪst/

honest

诚实
Meaning
free of deceit and untruthfulness; sincere
Example
She is known as an honest and trustworthy person.
她被认为是一个诚实和值得信赖的人。
B2 noun /ˈhɛdˌkwɔːrtərz/

headquarters

总部
Meaning
The main office or center of operations of an organization.
Example
The company’s headquarters is located in New York.
公司的总部位于纽约。
A2 adjective /ˈhelp.fəl/

Helpful

有帮助的; 有益的
Meaning
giving or providing assistance; useful; beneficial
Example
She was very helpful in organizing the event.
她在组织活动中非常有帮助。
C2 verb /ˈhɜːrtl/

hurtle

快速行驶
Meaning
To move or cause to move at great speed, often in a dangerous way.
Example
The car hurtled down the mountain road.
汽车快速行驶在山路上。
B2 adjective /hoʊˈlɪs.tɪk/

holistic

整体的
Meaning
Understanding or analyzing something through a comprehensive, integrated whole perspective.
Example
A holistic approach to health considers both body and mind.
整体健康方法考虑身体和心理。
C2 noun /ˈhɪlək/

hillock

小丘
Meaning
A small hill or mound.
Example
The children climbed up the grassy hillock to watch the sunset.
孩子们爬上了草地上的小丘去看日落。
A1 adjective /hɑːrd/

hard

困难
Meaning
solid, firm, or difficult to do or endure
Example
The exam was very hard for most students.
对大多数学生来说，考试非常困难。
B2 noun /hʌb/

hub

中心
Meaning
the central part of a place or activity where things converge
Example
The city is the hub of the country's trade network.
这座城市是该国贸易网络的中心。
B1 noun /ˈhɪr.ɪŋ/

Hearing

听力; 听证会
Meaning
the faculty of perceiving sounds; a session in which testimony and arguments are heard
Example
The elderly man's hearing had deteriorated, so he needed to wear a hearing aid.
老年人的听力已经恶化，因此他需要佩戴助听器。
C2 noun /hæp/

hap

运气，幸运，偶然
Meaning
luck, fortune, or chance occurrence
Example
By sheer hap, he discovered the old letter hidden in the drawer.
凭借运气，他发现了藏在抽屉里的旧信。
C2 noun /ˈhɑːdɪhʊd/

hardihood

勇气，胆量
Meaning
Courage, boldness, or daring behavior; also physical robustness.
Example
The mountaineer's hardihood impressed the entire team.
登山者的硬气打动了整个团队。
C1 noun /ˈhæŋ.ər/

Hangar

飞机库
Meaning
a large building with extensive floor area, typically for housing aircraft; an aircraft shelter
Example
The airplane was stored safely in the hangar during the severe thunderstorm.
飞机在强烈雷暴中安全地停放在飞机库中。
C1 noun ˈhɪn.drəns

hindrance

障碍
Meaning
Something that creates difficulties or delays in progress.
Example
Lack of funds was a major hindrance to the project.
资金不足是该项目的一个主要障碍。
C2 noun /hæɡ/

Hag

巫婆
Meaning
an ugly old woman, especially a vicious or malicious one; a witch
Example
In the fairy tale, the wicked hag lived alone in a cottage deep in the forest.
在这个童话故事中，邪恶的巫婆独自生活在森林深处的小屋里。
A2 adjective /ˈhevi/

Heavy

沉重的
Meaning
having great weight; intense or severe
Example
The heavy suitcase was difficult to carry up the stairs.
沉重的行李箱很难提上楼。
C1 adjective /hɪpˈnɒtɪk/

hypnotic

催眠的
Meaning
Producing sleep or a trance-like state; mesmerizing.
Example
The music had a hypnotic effect on the audience.
这首音乐对观众产生了催眠效果。
B1 noun /ˈhjuː.mər/

humor

Meaning
The quality of being amusing or entertaining.
Example
His sense of humor always lightens the mood.