* Despite the difficulty of the task, she persevered and finished it on time. (Focuses on the challenging nature of the task)
* He experienced difficulty breathing after the strenuous hike. (Describes a specific problem)
* The students expressed difficulty understanding the complex mathematical concepts. (Highlights a lack of comprehension)
* The company is facing financial difficulties due to the global economic downturn. (Indicates a challenging situation)
* She had no difficulty adjusting to her new job. (Emphasizes ease and success)
You can use "difficulty" as a noun to refer to a challenging situation or problem, or as an adjective to describe something that is hard to do or understand.