The phrase "a difficult aspect of" is correct and usable in written English.
It can be used when discussing a challenging or complex part of a topic, situation, or issue.
Example: "One difficult aspect of learning a new language is mastering the pronunciation."
Alternatives: "a challenging part of" or "a tough element of".
"You have to be ready to have some pressure from your family about these issues.... It's a difficult aspect of our job, definitely".
Mental health presentations are considered to be a difficult aspect of emergency care.
These ties were very important for many participants and were a difficult aspect of living in the United Kingdom.
Mental health presentations were considered to be a difficult aspect of emergency care challenging their training and causing stress and disruption.
Transitioning patients to palliative care from life-prolonging interventions can be a difficult aspect of clinical work, 1 2 with significant patient and family distress reported in studies of negotiating futility.
A difficult aspect of this experiment is that in contrast to WT protein, the L126Z protein was not readily detected in the soluble fraction of the co-transfected cell lysates as one might expect if aggregation was inhibited (Fig. 6C).
No one is pre-supposing innocence or guilt in Terry's case, instead it is a simple plea for the FA to exercise judgement, a very difficult aspect of leadership that does not always necessarily tally with precedents and certainly will not meet with universal acclaim.
Deciding to what cause or organization you should give money or time can be a surprisingly difficult aspect of philanthropy, even if you're not Bill or Melinda Gates.
It may represent the element in your life that aims to incorporate a more difficult aspect of (experience, perspective, feeling) rather than repress it, open up and question rather than close up and shut down, sweep under the rug and stuff back down the throat.
End stage dementia is a particularly difficult aspect of care for patients with Alzheimer's disease and related dementias.
Correctly diagnosing asthma is a critical but difficult aspect of investigations of associations between causation of asthma in children and exposures at indoor swimming pools.
