'exhibit difficulty' is correct and usable in written English.
You can use it when you want to express that something is having difficulty and showing signs of it. Example: The student began to exhibit difficulty with the math problems.
However, several researches suggest that students exhibit difficulties in achieving representational competence with molecular diagrams.
These new methods have a number of advantages but typically exhibit difficulties with linear superposition of waves.
They concluded that NEMO can easily be applied to WSN using 6LoWPAN and IPv6 over ZIGBEE, but the characteristics of WSNs exhibit difficulties upon implementation.
Early Head Start children may be more likely to exhibit difficulties with social emotional functioning due to the high-risk environments in which they live.
The design of the experiment aimed to shed some light on the question whether children with SLI exhibit difficulties with clitic production in the context assessed.
The lignite and petroleum coke are Geldart class C particles and are expected to exhibit difficulties in conveying, while the biomass is a Geldart class A particle but the non-uniform particle shape and large size distribution result in pneumatic conveying challenges similar to class C particles.
First, individuals with autism exhibit difficulties with both gross and fine motor control.
Similarly, patients with depression exhibit difficulties initiating movements in the absence of external cues, as patients with Parkinson's disease.
Consequently, patients standing in a stooped position exhibit difficulties in looking up [ 3] and in performing daily living activities.
