The phrase "persisting difficulties" is correct and can be used in written English.
You can use it to express that a problem or challenge is continuing over a long period of time, despite efforts to fix or address it. For example, "Despite our best efforts, persisting difficulties in the education system remain an obstacle to progress."
Conclusion: Children with severe TBI experience more and persisting difficulties with upper-limb function.
The objective of this paper is to acknowledge new possibilities and persisting difficulties in applying virtual prototyping to crashworthy design of rail-stock vehicles.
Nevertheless, persisting difficulties arise when interpreting measurements of biomarker levels, a problem that is compounded by the dissemination of multiplex tests [6], thus increasing the volume of information generated.
Pediatric traumatic brain injury (TBI) can result in a range of social impairments, however longitudinal recovery is not well characterized, and clinicians are poorly equipped to identify children at risk for persisting difficulties.
Nevertheless, the use of natural products in drug discovery has significantly declined in the past two decades, due in part to persisting difficulties in the systematic isolation and synthesis of such molecules [3].
Deployment rates are consistently higher for CME than IHS midwives, despite persisting difficulties in insecure areas [ 32, 40].
They're working hard and persisting through difficulties because their internal desire to control their lives, learn about the world, and accomplish something that endures".
A quick and effective response can mean the difference between a student giving up or persisting through difficulties to realize their own strengths.
It appeared that the excitement and satisfaction of pursuing their goals motivated these individuals to surmount barriers and persist through difficulties.
This energy fuels them to persist through difficulties and stay focused on their mission.
According to Bandura (1977), individuals with strong beliefs in their ability to perform a behaviour successfully are more likely to initiate the behaviour and persist through difficulties.
