hard

英[hɑːd]美[hɑːrd]

adj.困难的，硬的，有力的，努力的；

adv.努力地，猛力地，严重地，沉重地；

比较级：harder;

*高级：hardest;

名词：hardness;

例句

Take a rest from your hard work.辛苦工作后休息一下吧。

The new law is a bit hard on those who were born abroad.新法令对那些在国外出生的人有点不够公平。

She was very hard on me.她对我很严格。

They like to press wet snow hard to make snowballs.他们喜欢把湿雪捏成雪球。

He is studying hard with a view to going to university.他为了上大学正在努力学习。

If you go to college, you must work hard, not fool about.要是你上大学, 就得好好学习, 不能虚度光阴。

He drove a hard bargain with me over the terms of the contract.他就合约条件极力地和我讨价还价。

My father built his business on years of hard work.我父亲多年奋斗创立了自己的事业。

If an administrator has no access to information, it’s as if he was purblind and hard of hearing and had a stuffed nose.做管理工作的人没有信息，就是鼻子不通，耳目不灵。

The experienced teacher is used to keeping his students at hard work.有经验的老师习惯于督促学生用功学习。

英语六级真题

While alternative estimates of the damage from carbon emissions differ, and it's especially hard to reckon the likely costs of possible catastrophic climate events, most estimates suggest substantial negative effects.

Most American parents say they are not concerned about their children's grades as long as they work hard.

Whether this is right, and if so where and when the ecological axe will fall, is hard to determine with any precision—which is why governments and financial institutions are only beginning to bring such risks into their economic calculations.

The changes would have to be approved or rejected as a whole by Congress, making it hard for narrow-interest lobbies to bend lawmakers to their will.

Here are some of the important proposals in the House and Senate bills to try to address those problems, and why it is hard to know how well they will work.

Changes in policy would be approved or rejected as a whole so that lobbyists would find it hard to influence lawmakers.

But finding hard evidence to support the thesis is not so easy.

With several monitoring stations operating in Antarctica, Russia is trying hard to counter America's dominance in the field of worldwide navigational facilities.

Some countries have had a hard time here.

It is hard to say whether it is good or bad.

Companies are pushing it hard but make it almost overwhelming even to dip a toe in the water for the average consumer, because there are so many compatibility issues to think about.

And it is hard not to think: Are we in an innovation lull ( ' , 间歇期 )?In some ways, the answer is yes.

Americans are working longer and harder hours than ever before.

The outer layers of the volcano were worn away until the hard core stood completely exposed.

That’s what hard-working men and women say to justify their lavish vacations, big stereo systems or regular restaurant meals.

Whether it's a sports team or a presidential campaign, everybody relishes having the big momentum, because it makes them harder to stop or change direction.

There is no doubt that spaceflight entails risks, and to pioneer a new mode of travel is to face those risks, and to reduce them with the benefit of hard-won experience.

So a heavy object, like a football player moving at a high speed, has a lot of momentum — that is, once be is moving, it is hard to change his state of motion.

No matter how hard you try, you can't turn something that large on a dime ( ' , 10 美分硬币 ),or even a few thousand dimes.

It is easy to change a light bulb, sure, but it is harder to change the bulb and its fixture.

It has tried hard to satisfy students' various needs.

Inequality is dangerous, he argued, not merely because it doesn't look good to have a large gap between the rich and the poor, but because inequality itself destroys upward mobility, making it harder for the poor to escape from poverty.

Despite mournful polar bears and charts showing carbon emissions soaring, most people find it hard to believe that global warming will affect them personally.

As recent graduates can testify, the job market isn't kind to candidates who can't demonstrate genuine competence, along with a well-cultivated willingness to work hard.

A number of prominent economists have also argued that it's harder for the poor to climb the economic ladder today because the rungs（横档） in that ladder have grown farther apart.

"It's been hard not to share pictures of her because people always want to know how babies and toddler (学走路的孩子) are doing and to see pictures, but we made the decision to have social media while she did not," O'Hanlon said.

And it is hard not to think: Are we in an innovation lull?

And the funny thing is that if you love what you do and are really passionate about it and work really hard, the money kind of comes automatically.

As careers and vocations become less available during times of recession, adolescents may be especially hard hit.

But convincing open-minded dairy people is actually not that hard, when you look at the economics.

But the other team members were working as hard and long as he was.

Choosing the right career can be hard.

Companies are pushing it hard but make it almost overwhelming even to dip a toe in the water for the average consumer, because there are so many compatibility issues to think about.

For instance, DeWalt discovered that many contractors were holding on to their old tools, even if they no longer worked, because they were expensive purchases and it was hard to justify bringing them in to recycle.

Gathering your resources to "try hard" requires burning energy in order to overcome your currently low arousal level.

He laid off several hundred workers; especially hard hit were the blue- and pink-collar departments such as subscription fulfillment.

However, it is very hard to demonstrate causes using non-experimental data such as this.

I had to be really persistent and it was very hard work.

I know it's the end of high school, but many of my classmates are going on to the same university and we are still required to study hard, so what's the difference?

Kristi King, a diet specialist at Texas Children's Hospital, finds it's hard to get teenager patients' attention about healthy eating.

Natural talent helps in some way, but at the end of the day you really do need to work hard and get really, really good at what you do.

Navajo is hard to learn and only a few people know it.

No matter how hard you try, you can't turn something that large on a dime, or even a few thousand dimes.

Now, the only apparent cost to taking infinite photos of something as common as a meal is the space on your hard drive and your dining companion's patience.

Once upon a time, Americans thought that if they work hard enough even in the face of adversity, they would be rewarded with success.

She found she did spend a lot less money because it is incredibly hard to predict how much cash one is going to need—she was forever drawing money out of Cashpoints.

She is hard at work finding a way to take traits from rare wild plants that adapt to extreme dry weather and use them in food crops.

So a heavy object, like a football player moving at a high speed, has a lot of momentum — that is, once he is moving, it is hard to change his state of motion.

So far, machines have a pretty hard time emulating creativity, arbitrary enough not to be predicted by a computer, and yet more than simple randomness.

So, as you see, it's very hard to say which one is better.

The turmoil on the ground in physical retail is hard to square with the Census data.

柯林斯高阶英汉双解学习词典释义

ADJ-GRADED

硬的;坚硬的;坚固的

Something that is hard is very firm and stiff to touch and is not easily bent, cut, or broken.

例句

ADJ-GRADED

难做的;困难的

Something that is hard is very difficult to do or deal with.

例句

ADV-GRADED

努力地;使劲地

If you work hard doing something, you are very active or work intensely, with a lot of effort.

例句

ADJ-GRADED

累人的;费力的;费劲的

Hard work involves a lot of activity and effort.

例句

ADV-GRADED

仔细地;认真地

If you look, listen, or think hard, you do it carefully and with a great deal of attention.

例句

ADV-GRADED

猛力地;用力地

If you strike or take hold of something hard, you strike or take hold of it with a lot of force.

例句

ADV-GRADED

强烈地;猛烈的;长时间地

You can use hard to indicate that something happens intensely and for a long time.

例句

ADJ-GRADED

冷酷无情的;心肠硬的

If a person or their expression is hard, they show no kindness or sympathy.

例句

ADJ-GRADED

苛刻的;严厉的;不友善的

If you are hard on someone, you treat them severely or unkindly.

例句

ADJ-GRADED

有害的;不利的

If you say that something is hard on a person or thing, you mean it affects them in a way that is likely to cause them damage or suffering.

例句

ADJ-GRADED

（生活、一段日子）艰难的，艰苦的

If you have a hard life or a hard period of time, your life or that period is difficult and unpleasant for you.

例句

ADJ-GRADED

非常寒冷的;凛冽的

A hard winter or a hard frost is a very cold one.

例句

ADJ-GRADED

（颜色）刺目的，晃眼的;（声音）刺耳的，难听的

Hard colours or sounds are harsh or bright and unpleasant to see or hear.

例句

ADJ

（证据、资料）可靠的，确凿的

Hard evidence or facts are definitely true and do not need to be questioned.

例句

ADJ-GRADED

（水质）硬的（指含钙化合物较多）

Hard water contains a lot of calcium compounds that stop soap making bubbles and sometimes appear as a deposit in kettles and baths.

ADJ

（*品）*性强的，烈性的

Hard drugs are very strong illegal drugs such as heroin or cocaine.

ADJ

（语音）发硬音的

In phonetics, a hard sound is one such as 'c' or 'g' as pronounced in the words 'cat' or 'give', and not as in the words 'cinema' or 'general'.

PREP-PHRASE

离…很近的

If one thing is hard by another, it is very close to it.

例句

PHRASE

受到不公平待遇的;委屈的

If you feel hard done by, you feel that you have not been treated fairly.

例句

PHRASE

困难的;艰难的

If you say that something is hard going, you mean it is difficult and requires a lot of effort.

例句

PHRASE

受到沉重打击的;受严重影响的

To be hard hit by something means to be affected very severely by it.

例句

PHRASE

佯装不感兴趣;故意摆谱

If someone plays hard to get, they pretend not to be interested in another person or in what someone is trying to persuade them to do.

例句

PHRASE

十分困难的;处于困境的

If someone is hard put to do something or, in British English if they are hard pushed to do something, they have great difficulty doing it.

例句

PHRASE

为…而非常苦恼（或难受）；因…而沮丧

If you take something hard, you are very upset or depressed by it.

例句

英汉词典释义

adj.

硬的, 坚实的, 坚固的

困难的, 难懂的

辛苦的, 努力的

有力的, 猛烈的

铁石心肠的, 冷酷无情的, 严厉的

困苦的；艰苦的；艰难的

耗费体力（或脑力）的；辛苦的

努力的；勤劳的

冷酷无情的；硬心肠的；苛刻的

准备战斗的；不软弱退缩的

难做的；难以回答的

确凿的；可证实的

寒冷的；凛冽的

酒精浓度高的；烈性的

adv.

努力地

艰难地

严重地, 猛烈地

猛力地；猛烈地

彻底认真地

沉重地；大量地；长时间地

英英词典释义

Adjective

1. not easy; requiring great physical or mental effort to accomplish or comprehend or endure;

2. metaphorically hard;

3. not yielding to pressure or easily penetrated;

4. very strong or vigorous;

5. characterized by toilsome effort to the point of exhaustion; especially physical effort;

6. of speech sounds

7. of a drinker or drinking; indulging intemperately;

8. having undergone fermentation;

9. having a high alcoholic content;

10. unfortunate or hard to bear;

11. dried out;

Adverb

1. with effort or force or vigor;

2. with firmness;

3. earnestly or intently;

4. causing great damage or hardship;

5. slowly and with difficulty;

6. indulging excessively;

7. into a solid condition;

8. very near or close in space or time;

9. with pain or distress or bitterness;

10. to the full extent possible; all the way;

行业词典

物理学： 硬球散射；hard-sphere scattering；硬球势；hard-sphere potential；硬［磁］泡；［magnetic］ bubble；