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.

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

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

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.

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

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.

Tips make it more difficult to please customers.

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

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.

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

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

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

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

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

Earning money is getting more difficult.

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

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.

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.

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.

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

It is something difficult to get used to.

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

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

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

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

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

The difficult situation finally changed when Aaron moved recently.

Durable friendships can be very difficult to maintain

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

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

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.

Continuous fighting in the region has made surveys difficult.

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

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

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

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

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

It's really difficult to get inside.

Many students find English a difficult language to learn.

Oh, all languages are difficult to learn.

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.

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.

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

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-

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.

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

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

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.

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.

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.

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.

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.

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

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

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

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

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

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

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

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

It should be difficult enough but still within their reach

That makes finding a solution all the more difficult.

We will find it difficult to meet our deadlines.

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.

For many, it's surprisingly difficult.

they are generally difficult to manage

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.

Even so, publication was difficult

It is a disease very difficult to diagnose.

The man is capable of dealing with difficult people.

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

Their requirements may be difficult to meet

And unemployed workers face difficult odds.

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.

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

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.

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

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

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

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.

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

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.

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

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

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

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

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

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

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

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

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.

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.

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.