Sentence examples for problematic and difficult from inspiring English sources

She also described the European tender process as "problematic and difficult for people".

One senior official said of the overseas inquiry: "It's more problematic and difficult.

Moreover, S. aureus is particularly problematic and difficult to eradicate because of its ability to cause chronic infections through biofilm formation on indwelling medical devices such as catheters, pacemakers and prosthetic joints [36,37].

The issue of such forms has been problematic and difficult to deal with, particularly in relation to the evaluation and improvement of their contribution to the goals of sustainable development.

The range of choices, the complexities with obtaining and setting up materials, and the wide variety of sources of error are what makes scientific knowledge problematic - it is complex work and involves planning and thinking that can frequently be inaccurate or misdirected, yet another important aspect of the scientific struggle that makes science knowledge problematic and difficult to attain.

A 3D inversion including topography remained problematic and difficult to apply for the present study because the numerical modeling approach was designed for flat surfaces originally, but in the general case, the surface is surrounded by an air layer overlying topography.

Pearlin and colleagues define stressors as the "problematic conditions and difficult circumstances experienced by caregivers" that strain or supersede the individual's capacity to adapt[ 8].

Aneshensel et al. defined stressors in the context of caregiving as "the problematic conditions and difficult circumstances experienced by caregivers (i.e. the demands and obstacles that exceed or push to the limit one's capacity to adapt)".

"These kind of environments mean it becomes difficult for people to know when their drinking is problematic and more difficult for them to seek help for the problems they encounter.

Recruitment to primary care trials in the United Kingdom is routinely problematic and particularly difficult in trials of mental health [ 41- 43].

There was awareness among participants that immigration laws for visitors to Barbados can, at times, be " problematic" and " quite difficult to deal with".