How to use in-sentence of “difficult”:
+ Chess is an easy game to learn the moves, but a difficult game to master.
+ This can be more difficult than it appears, as even partially chosen ciphertexts can permit subtle attacks.
+ He was often seen in complex, double-edged positions, where it is difficult to see what is going on.
+ This is in contrast to most other mobile phones which are designed to be difficult to unlock.
+ Designing a successful human-powered aircraft is difficult because a very large power to weight ratio must be achieved.

Example sentences of “difficult”:
+ With long lead times of 10 years and more, it will be difficult to maintain, let alone increase, the number of operating nuclear power plants over the next 20 years.
+ It can also be set to 4 different difficulty modes: easy, normal, difficult or heroic.
+ The SmartKey lock is more difficult to pick than the standard Kwikset lock, although it is easier to force open.
+ This work is designed to furnish Children, from seven to twelve years of age, with a variety of lessons on various subjects, written in a plain, familiar style, and proper to lead them from the easy language of Spelling-Books up to the more difficult style of the best writers.
+ This became difficult because of the growing Cold War.
+ It is difficult to compare the effectiveness of the different existing arts.
+ These features make it difficult for a predator to home in.
+ It is comparatively easy to agree on observations of physical phenomena, harder to agree on observations of social or mental phenomena, and difficult in the extreme to reach agreement on matters of theology or ethics.
+ It is difficult to identify in the laboratory.
+ It may be difficult to decide whether to face the challenge, or walk away.
+ It is often difficult to decide when a drought started and sometimes when it ends too.
+ Since she, like many others, are featured largely in the Heike Monogatari, and a number of plays of various traditions, her story is quite well known, but it is difficult to separate fact from fiction within it.
+ With long lead times of 10 years and more, it will be difficult to maintain, let alone increase, the number of operating nuclear power plants over the next 20 years.
+ It can also be set to 4 different difficulty modes: easy, normal, difficult or heroic.
+ The SmartKey lock is more difficult to pick than the standard Kwikset lock, although it is easier to force open.
More in-sentence examples of “difficult”:
+ Like many kinds of dogs, Affenpinschers often get a disease called hip dysplasia which makes it difficult for them to run or walk.
+ Lawmakers will provide for statutory damages for acts in which it is difficult to determine the value of the harm to the victim.
+ Although it is difficult to tell exactly, there has been a report that the population of basking sharks has decreased by 80% since 1950.
+ However, this is not exactly true, because BDD sufferers will often just stop what they were doing for a long time, so it is not just that they are slow, but find it difficult to concentrate on what they are doing.
+ Although they don’t necessarily know where anyone lives, some difficult users find where you “write”.
+ Naming the emperors of Japan is difficult because of differences between Japan and the Western world.
+ The Riemann hypothesis is so important, and so difficult to prove, that the Clay Mathematics Institute has offered $1,000,000 to the first person to prove it.
+ Learning a second language is difficult for adults, who rarely speak it as well as their native language because it is much easier for children to learn a second language.
+ Also, we should keep the manual simple and straightforward, with anything “too” difficult placed on a linked page.
+ He became famous when he was a little boy because he could do unbelievably difficult sums very easily.
+ English should be written simple but difficult concepts are allowed, here…
+ However, this can be difficult to distinguish without direct comparison of the two species.
+ The first three years are spent attaining a bachelor’s degree and the last year includes research and more difficult subjects.
+ Certainly it is more difficult for a driver to figure out a car’s speed using only its odometer and clock—without a speedometer.
+ However, the way to get to South Korea is so difficult that most defectors never made it there.
+ The tendency to rapidly revert vandalism, as though the whole world has stopped breathing, has made it difficult for other users to also enhance those articles while correcting hacked text.
+ This is done by blocking or muffling the person’s mouth and making it difficult for them to move their jaw and tongue in a normal way.
+ He had a difficult time as Premier because some people in his government broke the law.
+ From there the traveler would make a difficult crossing over the Alps into northern Italy.
+ Progressive rock is difficult to define, because progressive rock bands often play different types of progressive rock music which sound different.
+ The sketches were very difficult to read, but Mahler completed the opera and performed it.
+ The combination is a difficult one for duo.
+ Today society is not as simple as it was: many people live in societies that can be difficult to understand.
+ Light curve observations of 2002 MS are difficult because of the dense field of background stars it is crossing.
+ This may seem like a lot to learn, but the letters are really not too difficult to remember.
+ The CPE is the most difficult exam.
+ When Eli Manning was young, it was difficult for him to learn how to read.
+ Unlike the first generation Kawasaki Heavy Industries C151 trains, the C651s are specially painted to reduce scratches due to dirt trapping on the outside of the C151 trains that were difficult to remove.
+ The template uses several specialized arcane CSS format classes, which makes it very difficult to determine the styles applied to each data item in the infobox.
+ It is both nearby and bright; but it is difficult to observe because it is in the Zone of Avoidance.
+ This makes it very difficult for people in Romania to go to the Paralympic Games.
+ Shaw had become more difficult to work with also.
+ The following years were difficult for Mussorgsky.
+ Farm owners had a difficult time attracting Zulu labourers to work on their plantations, so the British brought thousands of indentured labourers from India.
+ It is extremely difficult for a hurricane to form in Arizona because the normal storms that form in the eastern Pacific Ocean move either parallel or away from the Pacific coast of Northwestern Mexico.
+ In sociology, alienation is a more complex and difficult idea.
+ It is difficult for them to know what they value and love.
+ Several more difficult walks also exist, including the Eastern and Western Arthur Ranges, Precipitous Bluff, the South West Cape South West Cape, and Federation Peak.
+ In these special cases, not having a lawyer would make it difficult for a defendant to get a fair trial.
+ Administrators here have to try and spot these people before they can cause massive problems, and it can be difficult sometimes.
+ This can be quite difficult to pick up, and it took a survey of his past changes to identify the pattern.
+ The reviewer even argued that bowling is not the most difficult part of the game, since the player will eventually get used to the controls, it will not be difficult for him to play and he will defeat any rivals without any problems.
+ One large network of communication technology would be difficult to implement.
+ One suggestion is that these idioms are used to smooth over difficult areas in social interaction.
+ The people that made Ido thought that they sounded too much the same and that it might be too difficult to hear sometimes.
+ They went through some difficult years.
+ They may yawn, and may find it difficult to keep the eyes open.
+ Nucleophilic addition is also a good reaction, though a bit more difficult than with ketones.
+ Like many kinds of dogs, Affenpinschers often get a disease called hip dysplasia which makes it difficult for them to run or walk.
+ Lawmakers will provide for statutory damages for acts in which it is difficult to determine the value of the harm to the victim.
+ Although it is difficult to tell exactly, there has been a report that the population of basking sharks has decreased by 80% since 1950.
