difficult是什么意思

is something few can accomplishneeds some practice firstrequires a lot of patienceis a challenge at the beginningThey find it even more difficult.

出自-2017年6月阅读原文

Viewing the past in high definition can make it very difficult to get over pain and regret.

出自-2017年6月阅读原文

There is lots of snow around, and the ground freezes, which can make life difficult for animals.

出自-2017年6月听力原文

The most difficult step in programming values will be deciding exactly what we believe is moral, and how to create a set of ethical rules.

出自-2016年6月阅读原文

It is really difficult to tell if assisted living is better than a nursing home.

出自-2016年6月阅读原文

We validated these expectations in a study in which two other psychologists and I monitored 373 students for two years during the transition to junior high school, when the work gets more difficult and the grading -102- more strict, to determine how their mind-sets might affect their math grades.

出自-2016年12月阅读原文

Tips make it more difficult to please customers.

出自-2016年12月阅读原文

Reducing food intake is not that difficult if people go to McDonald's more.

出自-2016年12月阅读原文

No matter how the math works out, you persistently view restaurants with voluntary tipping systems as being a better value, which makes it extremely difficult for restaurants and bars to do away with the tipping system.

出自-2016年12月阅读原文

It is difficult to crack SimpliSafe as its system keeps changing.

出自-2016年12月阅读原文

In the author's experiment, students with a growth mind-set showed greater perseverance in solving difficult math problems.

出自-2016年12月阅读原文

But as the work became more difficult, the students with a growth mind-set showed greater persistence.

出自-2016年12月阅读原文

The more difficult a child's life circumstances, the more important it is for that child to find joy in his or her classroom.

出自-2015年12月阅读原文

It will not be difficult to make learning a source of joy if educators change their way of thinking.

出自-2015年12月阅读原文

Earning money is getting more difficult.

出自-2015年12月阅读原文

Large companies have a difficult time switching into new markets because there is a temptation to put existing assets into the new businesses.

出自-2013年6月阅读原文

That means making some difficult decisions with elderly patients, and going against the misguided belief that when it comes to health care, more is always better.

出自-2012年12月阅读原文

Today, given the job losses of the past year, fewer unhappy couples will risk starting separate households, Furthermore, the housing market meltdown will make it more difficult for them to finance their separations by selling their homes.

出自-2012年6月阅读原文

However, the British don't have a history of exporting their foodstuffs, which makes it difficult for restaurants in Hong Kong to source authentic ingredients.

出自-2011年6月阅读原文

In wider and more difficult areas of life, there is evidence to indicate that natural surroundings improve all kinds of things.

出自-2010年12月阅读原文

It is something difficult to get used to.

出自-2014年6月听力原文

That part of Brazil is very dry and farming is often difficult there.

出自-2013年12月听力原文

She found it difficult to secure a job in her own country

出自-2013年12月听力原文

When asked which activity would be the most difficult to give up for a week, 48% said listening to music.

出自-2013年6月听力原文

TV would be difficult to give up for 25% of those surveyed

出自-2013年6月听力原文

What activity do teenagers find the most difficult to give up for a week?

出自-2013年6月听力原文

The difficult situation finally changed when Aaron moved recently.

出自-2012年12月听力原文

Durable friendships can be very difficult to maintain

出自-2012年6月听力原文

The earlier neglect of saving, however, makes it difficult not to work when you are older.

出自-2010年12月听力原文

According to an urban design professor, it is difficult for city designers to foresee what happen in the future.

2019年12月四级真题（第一套）阅读 Section B

Biofilm communities can harbor bacteria longer and are very difficult to clean, Bacteria in these communities also have an enhanced resistance to sanitizers (清洁剂) and antibiotics compared to bacteria living on their own.

2018年12月四级真题（第三套）阅读 Section B

Continuous fighting in the region has made surveys difficult.

2017年12月四级真题（第二套）听力 Section A

Curiosity, he argues, is the third key factor—and a difficult one to preserve.

2017年12月四级真题（第二套）阅读 Section B

Gender norms and social expectations about caregiving may make it more difficult for men to provide care to sick spouses.

2019年6月四级真题（第一套）阅读 Section C

He's a difficult man, and I think there's been some trouble on the shop floor.

2016年12月四级真题（第一套）听力 Section B

How do you decide on the best choice for the difficult message you've got to deliver?

2018年12月四级真题（第二套）阅读 Section A

It was sometimes so crowded that it was difficult to walk along the streets, especially through busy markets.

2018年12月四级真题（第一套）听力 Section B

It's really difficult to get inside.

2016年12月四级真题（第一套）听力 Section B

Many students find English a difficult language to learn.

2015年12月四级真题（第一套）听力 Section B

Oh, all languages are difficult to learn.

2015年12月四级真题（第一套）听力 Section B

Returning to a normal life can be difficult, but some small routines mail delivery being one of them may help residents remember that their communities are still their communities.

2019年12月四级真题（第二套）阅读 Section B

That lack of curiosity produces a relative lack of knowledge, and the lack of knowledge is difficult if not impossible to compensate for later on.

2017年12月四级真题（第二套）阅读 Section B

viewing the past in high definition can make it very difficult to get over pain and regret.

2017年6月四级真题（第一套）阅读 Section B

We validated these expectations in a study in which two other psychologists and I monitored 373 students for two years during the transition to junior high school, when the work gets more difficult and the grading more strict, to determine how their mind-

2016年12月四级真题（第二套）阅读 Section B

We've surveyed business communication consultants and etiquette experts to come up with the following guidelines for effectively using the alternative ways of delivering difficult messages.

2018年12月四级真题（第二套）阅读 Section A

When a city's population grows by 5% a year, it is difficult to keep up.

2017年12月四级真题（第三套）阅读 Section C

While the top of the ocean is studied, its depths are more difficult to explore.

2016年12月四级真题（第二套）阅读 Section A

The challenge is if certain types of people are doing something, it's difficult for other people to break into it, said Po-Shen Loh, the head coach of last year's winning U.S.Math Olympiad team.

出自-2017年6月阅读原文

Historically, scientists have objected to sharing for many reasons: it is a lot of work; until recently, good databases did not exist; grant funders were not pushing for sharing; it has been difficult to agree on standards for formatting data; and there is no agreed way to assign credit for data.

出自-2017年6月阅读原文

2% in November and December at stores open more than a year, a disappointing holiday season performance that capped a difficult year for a department store chain facing wideranging challenges.

出自-2017年6月阅读原文

In the past, health experts warned us that the day would come in which it would become very difficult to provide medical care for even common problems such as lung infection or severe sour throat.

出自-2017年6月听力原文

We are very proud of our accomplishments under the Greenlist system and we believe that we will prevail in these cases, Christopher Beard, director of public affairs for SC Johnson, said, while acknowledging that this has been an area that is difficult to navigate.

出自-2016年6月阅读原文

Mr.Wilhelm said the excess of labels made it difficult for businesses and consumers to know which labels they should pay attention to.

出自-2016年6月阅读原文

It is difficult to find solid evidence to prove environmental friendliness generates more profits than exploiting the natural environment.

出自-2016年6月阅读原文

Whatever your talents, it is extraordinarily difficult to get a leading job in most fields without having been to university.

出自-2016年12月阅读原文

Many large institutions keep this kind of data secret—or at least make it incredibly difficult to find.

出自-2015年12月阅读原文

It is actually quite difficult to find reliable statistics on the issue for many schools.

出自-2015年12月阅读原文

Jack White, the former front man of the White Stripes and an influential figure among fellow musicians, likes to make things difficult for himself.

出自-2013年12月阅读原文

Why would anyone make their work more difficult than it already is

出自-2013年12月阅读原文

The internet makes information billionaires out of all of us, and the architects of our online experiences are catching on to the need to make things creatively difficult

出自-2013年12月阅读原文

It should be difficult enough but still within their reach

出自-2013年12月阅读原文

That makes finding a solution all the more difficult.

出自-2013年6月阅读原文

We will find it difficult to meet our deadlines.

出自-2012年12月阅读原文

Expanding the three-year option may be difficult, but it may be less difficult than asking Congress for additional financial help, asking legislators for more state support, or asking students even higher tuition payments.

出自-2012年6月阅读原文

For many, it's surprisingly difficult.

出自-2011年6月阅读原文

they are generally difficult to manage

出自-2010年12月阅读原文

It's difficult to estimate the number of youngsters involved in home schooling where children are not sent to school and receive their formal education from one or both parents.

出自-2013年12月听力原文

Even so, publication was difficult

出自-2013年12月听力原文

It is a disease very difficult to diagnose.

出自-2013年12月听力原文

The man is capable of dealing with difficult people.

出自-2013年6月听力原文

But the requirements of either of the Acts may be difficult to meet.

出自-2012年12月听力原文

Their requirements may be difficult to meet

出自-2012年12月听力原文

And unemployed workers face difficult odds.

2016年6月六级真题（第一套）听力 Section C

But others opted to lie, and they showed increased activity in their frontal parietal (颅腔壁的) control network, which is involved in difficult or complex thinking.

2019年12月六级真题（第一套）阅读 Section C

Collaboration certainly makes your individual competencies and contributions more difficult for outsiders to identify.

2019年12月六级真题（第一套）听力 Section C

Google and Apple have made it far too difficult to adjust these settings so it's up to us to take steps to ensure we set these triggers to suit our own needs, not the needs of the app makers.

2017年12月六级真题（第一套）阅读 Section B

historically, scientists have objected to sharing for many reasons: It is a lot of work; until recently, good databases did not exist; grant funders were not pushing for sharing; It has been difficult to agree on standards for formatting data; and there i

2017年6月六级真题（第一套）阅读 Section C

However, it is farmers that are pushing for the advancements due to ever-increasing labor vacancies, making it difficult to maintain large-scale operations.

2018年12月六级真题（第三套）阅读 Section C

I'm certain of it, absolutely, especially if it's difficult for a competitor to copy.

2016年6月六级真题（第一套）听力 Section A

In some cases, says data scientist Karthik Ram, it may be difficult for junior researchers to embrace openness when senior colleagues—many of whom head selection and promotion committees—might ridicule what they may view as misplaced energies.

2017年12月六级真题（第二套）阅读 Section B

It used to be difficult to get Spanish produce here, but it’s now a lot more common.

2018年6月六级真题(第二套)听力 Section A

Macy's reported its sales plunged 5.2% in November and December at stores open more than a year, a disappointing holiday season performance that capped a difficult year for a department store chain facing wide—ranging challenges.

2017年6月六级真题（第一套）阅读 Section C

Meanwhile, preference for private over public services made management even more difficult.

2018年12月六级真题（第二套）听力 Section C

Outsiders may then find it difficult to determine your contributions and strengths.

2019年12月六级真题（第一套）听力 Section C

simultaneous interpreting, putting someone's words into another language more or less as they speak, sounds to me like the more difficult.

2016年6月六级真题（第一套）听力 Section A

Such difficult economic times may leave many adolescents confused about their roles in society.

2016年6月六级真题（第三套）阅读 Section A

This generated little commerce for downtown businesses in the evenings, which made business and generating tax revenue for municipal upkeep difficult.

2017年12月六级真题（第一套）阅读 Section C

Unless you were prepared to pay, they were increasingly difficult to obtain for any but the most severely disabled.

2018年12月六级真题（第二套）听力 Section C

We believe that at least part of the problem lies in places other than the interaction between scientists and members of the media, and exists because for one thing we underestimate how difficult it is for scientists to communicate effectively with a dive

2018年12月六级真题（第三套）阅读 Section C

We just wrapped up a project with a difficult client last week.

2019年6月六级真题（第一套）听力 Section A

We might use the word "negative" to describe more difficult emotions but it doesn't mean those emotions are bad or we shouldn't have them.

2016年12月六级真题（第二套）听力 Section C

When I faced difficult work, like thinking through an article idea or editing the same draft for the hundredth time, for example, a more sinister screen would draw me in.

2017年12月六级真题（第一套）阅读 Section B

While farming is often difficult for both the body and mine, Sanchez says he and many of his fellow young farmers are motivated by desire to set a new standard for agriculture.

2019年12月六级真题（第二套）听力 Section B

And I always started the day's work with the difficult task of essay-writing.

2016年高考英语天津卷 阅读理解 阅读D 原文

Berlin has been the easiest while the most difficult was the Czech town of Pilsen.

2019年高考英语浙江卷 完形填空 原文

Buying, storing, and cooking fish isn't difficult.

2016年高考英语全国卷3 阅读理解 七选五 原文

Exercise energizes you, so it is more difficult to relax and have a peaceful sleep when you are very excited.

2018年高考英语全国卷2 阅读理解 七选五 原文

For all the feelings readers attach to stories, literature is a numbers game, and the test of time is extremely difficult to pass.

2018年高考英语浙江卷 阅读理解 阅读A 原文

For many who made it to Dawson, however, the rewards were worth the difficult trip.

2018年高考英语全国卷3 阅读理解 阅读B 原文

In the former case, we keep putting off a task because it has either too boring or too difficult.

2016年高考英语天津卷 阅读理解 阅读D 原文

In wind and rain she started on her difficult way.

2016年高考英语浙江卷（10月） 阅读理解 阅读A 原文

It is difficult to sell services to poor people.

2015年高考英语广东卷 阅读理解 阅读B 选项

It is difficult to figure out a global population of polar bears as much of the range has been poorly studied; however, biologists calculate that there are about 20, 000-25, 000 polar bears worldwide.

2019年高考英语全国卷I 语法填空 原文

It made school difficult for me.

2015年高考英语重庆卷 阅读理解 阅读A 原文

It was a lot more difficult than we had expected, but we persevered and made it.

2015年高考英语上海卷 听力 原文

It was difficult for Cathy to accept that she wasn't a winner - ever.

2016年高考英语天津卷 完形填空 原文

It would be difficult for developed countries to maintain the of population.

2017年高考英语江苏卷 任务型阅读 题设

Lead poisonous has proved more difficult to deal with.

2016年高考英语北京卷 阅读理解 阅读C 原文

Many bad habits can be especially difficult to cure because they are likely to have been formed at a very young age.

2015年高考英语湖北卷 句子填空 原文

Performance fatigue is more difficult to handle.

2016年高考英语天津卷 阅读理解 阅读D 原文

Prevention is key, scientists says because once ecosystems pass their tipping point, it is remarkably difficult for them to return.

2019年高考英语天津卷 阅读理解 阅读C 原文

She learned to appreciate some parts of the difficult books.

2015年高考英语浙江卷 阅读理解 阅读A 选项

Some immigrant advocates worry that as hard financial times make it more difficult for natives to keep jobs, such measures will become more a vehicle for intolerance than integration.

2017年高考英语浙江卷（6月） 阅读理解 阅读C 原文

Some researchers argue that we can seal the machines inside a kind of firewall, using them to answer difficult questions.

2017年高考英语北京卷 阅读理解 阅读D 原文

The solution is obvious though perhaps not easy to apply: always handle the most difficult job first.

2016年高考英语天津卷 阅读理解 阅读D 原文

They reached the top successfully, but on their way back conditions were very difficult.

2014年高考英语全国卷2 完形填空 原文

Traffic has always been difficult these days.

2015年高考英语湖北卷 听力 原文

You won't find paper cutting difficult as long as you keep practicing it.

2015年高考英语北京卷 单项填空 原文

It is difficult to the point of impossibility for the average reader under the age of forty to imagine a time when high-quality arts criticism could be found in most big-city newspapers.

出自-2010年考研阅读原文

And, unless banks carry toxic assets at prices that attract buyers, reviving the banking system will be difficult.

出自-2010年考研阅读原文

But most find it difficult to agree on what a “general education” should look like.

出自-2011年考研阅读原文

Even so, these are wealthy families who party with the international 1%, and media intrusiveness makes it increasingly difficult to maintain the right image.

出自-2015年考研阅读原文

But unlike their absolutist counterparts in the Gulf and Asia, most royal families have survived because they allow voters to avoid the difficult search for a non-controversial but respected public figure.

出自-2015年考研阅读原文

Although mental health is the cure-all for living our lives,it is perfectly ordinary as you will see that it has been there to direct you through all your difficult decisions.

出自-2016年考研翻译原文

And to anticipate every imaginable driving situation is a difficult programming problem.

2020年考研真题（英语一）翻译 Section Ⅲ

But because hard laughter is difficult to sustain, a good laugh is unlikely to have measurable benefits the way, say, walking or jogging does.

2011年考研真题（英语一）完形填空 Section Ⅰ

But most find it difficult to agree on what a "general education" should look like.

2011年考研真题（英语一）阅读理解 Section Ⅱ

his biographies of James Walt, Richard Arkwright and Josiah Wedgwood were held up as beacons to guide the working man through his difficult life.

2012年考研真题（英语二）阅读理解 Section Ⅱ

More difficult, in the moment, is discerning precisely how these lean times are affecting society's character.

2012年考研真题（英语二）阅读理解 Section Ⅱ

Of even greater concern is the fact that obesity turns out to be very difficult to define.

2014年考研真题（英语二）完形填空 Section Ⅰ

The decisions made it more difficult for states to collect sales tax on certain online purchases.

2020年考研真题（英语一）翻译 Section Ⅲ

This one may be a bit more difficult to pull off, but it can go a long way to achieving results.

2020年考研真题（英语二）阅读理解 Section Ⅱ

Today many people find it difficult to trust their own opinion and seek balance by gaining objectivity from external sources.

2015年考研真题（英语二）阅读理解 Section Ⅱ

Why this similarity exists in smell genes is difficult to explain, for now.

2015年考研真题（英语一）完形填空 Section Ⅰ