hypothecate
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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.
C1 noun /haʊnd/

Hound

猎犬
Meaning
a dog bred for hunting, typically having a keen sense of smell
Example
The bloodhound tracked the scent through the dense forest.
血猎犬穿过茂密的森林追踪气味。
B2 adjective /hɪˈroʊɪk/

heroic

英勇的
Meaning
showing great bravery or courage; relating to a hero or heroes
Example
The firefighter made a heroic effort to save the child.
消防员英勇地努力拯救了那个孩子。
B2 noun /ˈhaɪəˌrɑːrki/

hierarchy

等级制度
Meaning
A system in which people or things are arranged in levels of importance or authority.
Example
The corporate hierarchy determines who makes the final decision.
企业等级制度决定了谁作出最终决定。
A1 noun, adjective /hæf/

half

一半
Meaning
one of two equal parts of something
Example
He ate half of the cake.
他吃了蛋糕的一半。
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。
B2 noun /ˈhɑːt.biːt/

heartbeat

心跳
Meaning
A pulsation of the heart, especially as perceptible to the touch or audible with a stethoscope.
Example
Rubbing the eyes helps normalize the heartbeat.
揉眼睛有助于使心跳恢复正常。
B2 adjective /ˈhek.tɪk/

Hectic

忙碌的; 激烈的; 充满活动的
Meaning
very busy and full of activity; frantic; characterized by intense activity or excitement
Example
My schedule has been hectic lately with back-to-back meetings.
最近我的日程表因为连场会议而变得忙碌。
C2 noun /ˈhɔːrn.bɪl/

Hornbill

角嘴鸟
Meaning
a large tropical bird with a large curved beak and often a horn-like projection
Example
The colorful hornbill perched on the highest branch.
五彩斑斓的霍恩比尔停在了最高的树枝上。
C1 noun /ˌhoʊmiˈɑːpəθi/

homeopathy

顺势疗法
Meaning
a system of alternative medicine based on treating diseases with highly diluted substances
Example
He believes in homeopathy for treating common colds.
他相信顺势疗法来治疗常见感冒。
B2 adjective /hɪˈspænɪk/

hispanic

西班牙的 / 讲西班牙语的
Meaning
relating to Spain or Spanish-speaking countries, especially Latin America.
Example
She studies Hispanic culture and language.
她学习西班牙文化和语言。
A1 noun /hænd/

Hand

手
Meaning
the end part of a person's arm beyond the wrist, including the palm, fingers, and thumb
Example
He raised his hand to ask a question.
他举起手来问问题。
A1 noun /hæt/

Hat

帽子
Meaning
a covering for the head, typically with a brim and worn outdoors
Example
He always wears a hat when working in the garden.
他在花园工作时总是戴着帽子。
A1 noun /ˈhoʊmwɜːrk/

homework

家庭作业
Meaning
schoolwork that a student does at home
Example
I need to finish my math homework before dinner.
我需要在晚餐前完成我的数学家庭作业。
B1 noun/verb /hɪnt/

hint

提示
Meaning
a small piece of advice or suggestion; to suggest something indirectly
Example
She gave me a hint about the surprise party.
她给了我一个关于惊喜派对的提示。
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。
C1 noun /ˈhæv.ək/

Havoc

广泛的破坏；极大的混乱或无序；混乱
Meaning
widespread destruction; great confusion or disorder; chaos
Example
The hurricane wreaked havoc on the coastal towns, destroying homes and businesses.
飓风在沿海城镇造成了大规模的破坏，摧毁了房屋和商业。
B2 noun /ˈhæn.di.krɑːft/

Handicraft

手工艺
Meaning
an activity involving the making of decorative domestic or other objects with the hands; handmade artistic work
Example
The local market featured beautiful handicrafts made by skilled artisans from the region.
当地市场展示了由该地区熟练工匠制作的美丽手工艺品。
A1 adverb /haʊ/

how

如何
Meaning
in what way or manner; by what means
Example
How do you solve this problem?
你如何解决这个问题？
A2 noun /haɪt/

height

高度
Meaning
the measurement of someone or something from base to top
Example
The height of the tower impressed the visitors.
塔的高度给游客留下了深刻的印象。
C2 adjective /ˈhaɪdrəs/

hydrous

含水
Meaning
Containing water, especially water of crystallization.
Example
The mineral is hydrous because it contains water molecules in its structure.
这种矿物是含水的，因为它的结构中包含水分子。
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。
C1 noun /ˈhɜːrbɪsaɪd/

herbicide

除草剂
Meaning
A chemical substance used to kill unwanted plants, especially weeds.
Example
Farmers used herbicide to protect their crops from invasive weeds.
农民们使用除草剂来保护他们的作物免受侵入性杂草的影响。
C2 noun /ˈheɪ.deɪ/

Hey day

黄金时期; 最辉煌的时刻; 顶峰时期
Meaning
the period of a person's or thing's greatest success, popularity, or vigor; prime time
Example
During her heyday as a singer, she performed in sold-out concerts around the world.
在她作为歌手的黄金时期，她在全球的售罄音乐会上表演。
B1 noun /ˈhændˌraɪ.tɪŋ/

handwriting

手写字
Meaning
the style or manner of writing by hand.
Example
Her handwriting is very neat and easy to read.
她的手写字非常整齐，容易阅读。
C1 verb /hɔːrd/

hoard

囤积
Meaning
to accumulate and hide away a large supply of something, often secretly
Example
During the crisis, many people began to hoard food and water.
在危机期间，许多人开始囤积食物和水。
B2 noun hɛdʒ

hedge

对冲策略
Meaning
A way of protecting oneself against financial loss or other adverse circumstances.
Example
Investors use hedging strategies to protect against market volatility.
投资者使用对冲策略来保护自己免受市场波动的影响。
A1 noun, numeral /ˈhʌndrəd/

hundred

一百
Meaning
the number 100
Example
There are a hundred students in the hall.
大厅里有一百个学生。
A2 verb /heɪt/

hate

讨厌
Meaning
to feel intense dislike or aversion for someone or something
Example
I hate waiting in long lines.
我讨厌在长队里等待。
C2 noun /ˈhɪl.sə fɪʃ/

Hilsa fish

Hilsa鱼
Meaning
a popular fish species found in South Asian rivers, especially prized in Bengali cuisine
Example
Hilsa fish is considered a delicacy in Bengali culture.
Hilsa鱼在孟加拉文化中被视为美味佳肴。
C2 noun /haɪˈdrɒl.ɪ.sɪs/

hydrolysis

水解
Meaning
A chemical process that breaks down compounds by adding water, splitting complex molecules into simpler forms.
Example
Hydrolysis breaks down complex molecules into simpler forms.
水解将复杂的分子分解成更简单的形式。
C2 adjective /ˌhæɡ.i.əˈɡræf.ɪk/

hagiographic

过度恭维的
Meaning
Excessively flattering or idealized, often in a biography or portrayal of someone.
Example
The documentary was criticized for its hagiographic portrayal of the leader.
这部纪录片因其对领导者的过度恭维描写而受到批评。
C1 noun/verb /hɛm/

hem

衣边
Meaning
the edge of a piece of cloth that is folded and sewn; to fold and sew the edge of cloth
Example
She hemmed the dress to make it shorter.
她把裙子的边缘缝上去，弄短了它。
A1 adjective /ˈhʌŋɡri/

Hungry

饥饿的
Meaning
feeling the need for food; having a strong desire or craving
Example
I am very hungry after working all day.
我工作了一整天后非常饿。
C2 adjective /ˌhaɪpərˈkrɪtɪkl/

hypercritical

过度批评的
Meaning
Excessively or unreasonably critical.
Example
The teacher was often hypercritical of small mistakes.
老师经常对小错误过度批评。
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。
B1 noun /ˈhɛdˌlaɪn/

headline

头条新闻
Meaning
The title of a newspaper article printed in large letters.
Example
The scandal made front-page headlines.
丑闻成为了头条新闻。
C2 noun /hɔːɡ plʌm/

Hog plum

豺果
Meaning
tropical fruit with yellow skin and sour taste
Example
Hog plums are often used to make pickles and chutneys.
豺果常用于制作腌制食品和酸辣酱。
C2 verb /ˈhɑːrpɪŋ/

harping

不断抱怨
Meaning
continuously talking or complaining about something in a tiresome way
Example
She kept harping on about the mistakes I made.
她不断抱怨我做的错事。
B2 noun /heə(r)/

Hare

野兔
Meaning
a fast-running long-eared mammal that resembles a large rabbit
Example
The hare quickly ran across the field.
这只野兔快速地跑过田野。
C1 adjective /ˌhɒməˈdʒiːniəs/

homogeneous

同质的，一致的
Meaning
Of the same kind; alike.
Example
The team was not homogeneous in their skills.
该团队在他们的技能上不是同质的。
A2 noun /ˈheəkʌt/

haircut

理发
Meaning
the act or style of cutting hair
Example
I got a haircut before the wedding.
我在婚礼前理了发。
A1 verb /hoʊp/

hope

希望
Meaning
to expect and desire that something will happen
Example
I hope it doesn't rain tomorrow.
我希望明天不会下雨。
C1 verb /həˈluːsɪneɪt/

hallucinate

幻觉
Meaning
to see, hear, or sense things that are not actually present, often due to illness or drugs
Example
After taking the medicine, he began to hallucinate strange shapes.
服用药物后，他开始看到奇怪的形状。
C1 noun /ˈhʌbʌb/

hubbub

喧闹
Meaning
a loud noise caused by a crowd of people talking or shouting
Example
There was a hubbub in the market as the sale began.
市场上因为销售开始而产生了喧闹。
C1 noun /ˈhɛrəsi/

heresy

异端
Meaning
belief or opinion that goes against established religious doctrine or accepted beliefs.
Example
In medieval times, heresy was often punished severely.
在中世纪，异端常常受到严厉惩罚。
C1 noun /ˈhɔːr.nət/

Hornet

黄蜂
Meaning
a large wasp that can sting and is often aggressive
Example
The hornet built its nest under the roof.
黄蜂在屋顶下筑巢。
A2 noun /ˈhæb.ɪt/

habit

习惯
Meaning
A settled or regular tendency or practice, especially one that is hard to give up.
Example
Eye rubbing is a harmful habit.
揉眼睛是一种有害的习惯。
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。
B2 noun /hɔːk/

Hawk

猎鹰
Meaning
a bird of prey with broad wings and strong talons used for hunting
Example
The hawk soared high above the field hunting for prey.
猎鹰在田野上空飞翔，寻找猎物。
C2 noun /ˌhaɪpəˈkɒndrɪæk/

hypochondriac

忧郁症患者
Meaning
a person who is excessively worried about having a serious illness
Example
She is a hypochondriac who visits the doctor every week.
她是一个每周去看医生的忧郁症患者。
C2 noun /ˈhen.ə/

Henna

海娜
Meaning
a reddish-brown dye made from the powdered leaves of a tropical shrub, used to color hair and decorate skin
Example
The bride's hands were beautifully decorated with intricate henna patterns for her wedding ceremony.
新娘的手被精美的指甲花纹装饰，用于她的婚礼仪式。
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。
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。
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 interjection /hʌ/

huh

你说什么?
Meaning
used to express confusion, surprise, or that you did not hear something
Example
Huh? What did you say?
哈？你说什么?
C2 noun /ˌhjuː.mɪ.fɪˈkeɪ.ʃən/

humification

腐殖作用
Meaning
The process of organic matter decomposition to form humus in soil.
Example
Humification enhances soil structure and fertility.
腐殖作用增强了土壤的结构和肥力。
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 /ˈheɪl.stɔːrm/

Hailstorm

冰雹风暴
Meaning
a violent storm with hail falling from the sky
Example
The hailstorm damaged many cars in the parking lot.
冰雹风暴损坏了停车场中的许多汽车。
C1 noun /ˈhjuːbrɪs/

hubris

傲慢
Meaning
excessive pride or self-confidence
Example
His hubris led to his downfall.
他的傲慢导致了他的垮台。
C2 verb /həˈræŋ/

harangue

进行冗长而愤怒的演讲
Meaning
to deliver a long, passionate, and often angry speech
Example
The politician harangued the crowd for over an hour.
政治家对人群进行了超过一小时的演讲。
B2 noun /ˈhaʊs boʊt/

House boat

房船
Meaning
a boat that has been designed or modified to be used primarily as a home
Example
They spent their vacation on a beautiful house boat in the lake.
他们在湖上的美丽房船上度过了假期。
C2 noun /hoʊ/

Hoe

锄头
Meaning
a gardening tool with a thin metal blade used for breaking up soil and removing weeds
Example
The farmer used a hoe to remove weeds from his vegetable garden.
农夫使用锄头从他的蔬菜园中移除杂草。
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。
C1 noun /hʌl/

hull

船体 / 种子外壳
Meaning
The outer covering of a seed or fruit; also the main body of a ship.
Example
The sailors inspected the ship’s hull for any damage.
水手们检查了船体是否有损坏。
C1 adjective /ˌhæpˈhæz.ɚd/

haphazard

杂乱无章
Meaning
Lacking any obvious principle of organization; random.
Example
His haphazard approach led to project failure.
他的杂乱无章的方法导致了项目失败。
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 ˌhiː.məˈfɪl.i.ə

hemophilia

血友病
Meaning
A medical condition in which the ability of the blood to clot is severely reduced, causing the sufferer to bleed severely from even a slight injury.
Example
Hemophilia treatment benefits from genetic editing.
血友病治疗受益于基因编辑。
B2 noun /hɜːb/ (US) /hɜːb/ or /ɜːb/

herb

草药
Meaning
a plant used for flavoring food, medicine, or perfume
Example
Basil is a popular herb used in Italian cuisine.
罗勒是意大利料理中常用的草药。
A1 noun /hoʊˈtɛl/

hotel

酒店
Meaning
A building where people pay to stay and sleep, usually for short periods.
Example
We stayed at a hotel near the beach.
我们住在靠近海滩的酒店。
A2 adjective /hjuːdʒ/

huge

巨大的
Meaning
extremely large in size or amount
Example
The stadium was filled with a huge crowd.
体育场被一群巨大的观众填满。
C2 noun /oʊˈtɜːr/

hauteur

傲慢
Meaning
disdainful pride; arrogance
Example
His hauteur made it difficult for others to approach him.
他的傲慢使别人很难接近他。
C2 noun /ˈhɔɪdən/

hoyden

顽皮女孩
Meaning
a boisterous or tomboyish girl
Example
The hoyden preferred climbing trees to playing with dolls.
顽皮女孩更喜欢爬树而不是玩洋娃娃。
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。
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。
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 adverb /ˈhed ɑn/

Head-on

正面
Meaning
directly facing; in direct confrontation or collision
Example
The two cars collided head-on at the intersection.
两辆车在交叉口发生了正面碰撞。
C2 adjective /ˈhʌski/

husky

Meaning
deep, rough, and slightly hoarse voice; also refers to a strong and sturdy build
Example
He spoke in a husky voice after shouting all day.
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。
A1 interjection /hɑː/

ha

哈! (表示惊讶或喜悦的表达)
Meaning
used to express amusement, surprise, or triumph
Example
Ha! I knew you couldn’t resist joining us.
哈！我知道你无法抵挡加入我们的诱惑。
C2 verb /ˈhɑːrkən/

hearken

专心听
Meaning
To listen attentively; to give heed.
Example
He would hearken to his mentor’s advice before making decisions.
他在做决定之前，会专心听导师的建议。
C1 noun /haɪˈpɜːrbəli/

hyperbole

夸张法
Meaning
Exaggerated statements or claims not meant to be taken literally.
Example
Saying 'I’m so hungry I could eat a horse' is a classic example of hyperbole.
'我饿得可以吃下一匹马' 是夸张法的经典例子。
A1 noun /ˈhɒlɪdeɪ/

holiday

假期
Meaning
A day of celebration or rest when most people do not work.
Example
We are planning a trip during the summer holiday.
我们计划在暑假期间去旅行。
C1 adjective /hjuːˈmeɪn/

humane

人道的
Meaning
Showing compassion or benevolence.
Example
The doctor provided humane treatment to the injured animals.
医生对受伤的动物提供了人道治疗。
C2 noun /ˌɒnəˈreəriəm/

honorarium

酬金
Meaning
A payment given for professional services that are rendered without a fee.
Example
The guest lecturer received an honorarium for her talk.
那位客座讲师因其讲座而获得了酬金。
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。
C2 noun /ˈhɜːrmɪtɪdʒ/

hermitage

隐居地
Meaning
A secluded residence or retreat, often for a hermit or religious recluse.
Example
The monk spent years in a hermitage deep in the forest.
那位和尚在森林深处的隐居地里度过了多年。
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。
C2 verb (past tense, past participle), adjective /ˈhæmstrʌŋ/

hamstrung

瘫痪或受限
Meaning
crippled or severely restricted in movement or progress.
Example
The team was hamstrung by lack of resources.
由于资源匮乏，团队陷入困境。
C2 adjective /ˌhɜːrkjʊˈliːən/

herculean

极其困难
Meaning
Requiring great strength or effort; very difficult to perform.
Example
It was a herculean task to rebuild the city after the disaster.
灾难后重建城市是一项极其困难的任务。
B2 adjective /hɑːrˈmoʊ.ni.əs/

harmonious

和谐的, 协调的, 一致的
Meaning
Characterized by agreement or concord; forming a pleasing or consistent whole.
Example
A harmonious work environment boosts productivity.
和谐的工作环境提高了生产力。
C2 noun /ˈhɒthɛd/

hothead

脾气暴躁的人
Meaning
a person who acts quickly and without thinking when angry
Example
He is such a hothead that he often starts arguments.
他是个脾气暴躁的人，经常挑起争执。
A2 pronoun /hɪmˈself/

himself

他自己
Meaning
Used to emphasize that a male person does something by his own effort.
Example
He fixed the car himself.
他自己修好了车。
C2 adjective /ˈhaɪd.baʊnd/

hidebound

Meaning
unwilling or unable to change because of tradition or convention
Example
He is too hidebound to accept new ideas.
B1 adjective /ˈhɪd.ən/

Hidden

隐藏的; 秘密的; 看不见的
Meaning
concealed from view; kept secret; not visible or apparent
Example
There was a hidden camera in the room.
房间里有一个隐藏的摄像头。
B1 noun hoʊm əˈplaɪ.ənsɪz

home appliances

家用电器
Meaning
Electrical devices and machines used in households for daily tasks and convenience.
Example
Modern home appliances enhance convenience.
现代家用电器提升了便利性。
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。
C2 verb /həˈbɪtʃuˌeɪt/

habituate

使习惯
Meaning
to make someone accustomed to something
Example
The monks habituated themselves to meditation.
僧侣们已经习惯了冥想。
B2 noun ˈhæb.ɪ.tæts

habitats

栖息地
Meaning
The natural home or environment of an animal, plant, or other organism.
Example
Scientists envision habitats on the Moon.
科学家设想月球上的栖息地。
B1 noun /hjuːˈmænɪti/

humanity

人性
Meaning
the quality of being human; kindness or compassion towards others; all human beings collectively
Example
Kindness is one of the greatest expressions of humanity.
善良是人性最伟大的表现之一。
C1 noun /helm/

Helm

舵
Meaning
a tiller or wheel for steering a ship or boat; a position of leadership or control
Example
The experienced captain took the helm and expertly navigated the ship through the storm.
经验丰富的船长接管了舵，巧妙地将船只穿过风暴。
C2 adjective hjʊˈrɪs.tɪk

heuristic

启发式
Meaning
Enabling a person to discover or learn something for themselves; experimental learning approach.
Example
Teachers use heuristic techniques to encourage self-learning.
教师使用启发式技巧来鼓励自学。
C1 noun ˌhaɪ.pɚˈten.ʃən

hypertension

高血压
Meaning
Abnormally high blood pressure.
Example
High sodium intake leads to hypertension.
高钠摄入会导致高血压。
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。
B2 adjective /ˌhɒrɪˈzɒntəl/

horizontal

水平的
Meaning
parallel to the horizon; flat and level from side to side
Example
The table must be perfectly horizontal to keep the glass from sliding.
桌子必须保持水平，杯子才不会滑动。
C2 noun /ˈhɑːr.bɪn.dʒər/

Harbinger

先兆
Meaning
a person or thing that announces or signals the approach of another; a forerunner of something
Example
The first robin of spring is often considered a harbinger of warmer weather to come.
春天的第一只知更鸟常被认为是即将来临的温暖天气的先兆。
C1 noun /ˈhɑː.stɪdʒ/

Hostage

人质
Meaning
a person seized or held as security for the fulfillment of a condition; captive
Example
The police negotiated carefully to secure the release of all hostages unharmed.
警方小心谈判，确保所有人质无伤释放。
C2 verb /ˈhɑːbəl/

hobble

蹒跚
Meaning
to walk awkwardly with difficulty, usually due to injury
Example
He hobbled across the room after twisting his ankle.
他在扭伤脚踝后，蹒跚地走过房间。
B2 adjective /ˈhez.ɪ.tənt/

Hesitant

犹豫不决的; 不确定的; 拒绝的
Meaning
uncertain or unwilling to act; showing doubt or reluctance
Example
She was hesitant to accept the job offer.
她在接受工作邀请时犹豫不决。
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。
C1 adjective /ˈhæɡ.ərd/

Haggard

看起来疲惫和虚弱，尤其是由于疲劳、担忧或痛苦
Meaning
looking exhausted and unwell, especially from fatigue, worry, or suffering
Example
After working three nights without sleep, he looked haggard.
经过三夜没睡觉，他看起来很疲惫。
B2 noun /ˈhɑːr.bər/

Harbour

港口
Meaning
a place on the coast where vessels may find shelter; a place of safety or refuge
Example
The fishing boats returned safely to the harbour before the storm hit the coastline.
渔船在风暴袭击海岸之前安全地回到了港口。
C1 noun /ˈhɛzɪtənsi/

hesitancy

犹豫
Meaning
The tendency to pause or delay due to uncertainty or fear.
Example
His hesitancy in answering made everyone doubt his confidence.
他在回答时的犹豫让每个人都怀疑他的自信。
B2 adverb /hɪˈstɒrɪkli/

historically

历史上
Meaning
in a way that relates to history or past events
Example
Historically, this city was a major trade center.
历史上，这座城市曾是一个重要的贸易中心。
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。
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 noun /ˈhɔːl.mɑːrk/

hallmark

标志性特征
Meaning
a typical characteristic or feature of someone or something
Example
Honesty is the hallmark of a good leader.
诚实是一个好领导者的标志性特征。
B2 verb /hætʃ/

hatch

孵化
Meaning
to emerge from an egg; to devise or create a plan
Example
The bird will hatch from its egg soon.
鸟将从蛋中孵化出来。
C1 noun /haɪˈpɒθəsɪs/

hypothesis

Meaning
a proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Example
The scientist tested her hypothesis through multiple experiments.
B1 noun /ˈhæŋ.kər.tʃɪf/

Handkerchief

手帕
Meaning
a small piece of cloth used for wiping the nose or face
Example
She always carries a clean handkerchief in her purse.
她总是在包里带一条干净的手帕。
B2 noun /həˈraɪ.zənz/

horizons

地平线
Meaning
The limit of a person's mental perception, experience, or interest.
Example
The telescope opens new horizons for astronomy.
望远镜为天文学打开了新的地平线。