Sentence examples for proven challenging from inspiring English sources

Implementing this approach has proven challenging, however.

But adapting this flexibility to contact lenses has proven challenging.

However software reuse has been proven challenging for most organizations.

However, producing plates with this orientation has proven challenging.

Seattle's rainy climate will fulfil its water needs, though this feature has proven challenging.

Efforts to build a "virtual fence" to supplement the physical barrier have proven challenging.

Finding leaders who are up to the task has proven challenging for many companies.

Finding biomarker predictors of response to PD-L1 blockade has proven challenging.

We caution in general, however, against regulation of client software, which has historically proven challenging.

Yet finding a mechanism to investigate and render justice has proven challenging.

A system with large analyte transmission in the presence of gas has so far proven challenging.