Sentence examples for making them challenging from inspiring English sources

Malicious software activities have become more and more clandestine, making them challenging to detect.

MRI methods to measure diffusion often produce distorted images with low spatial resolution, making them challenging to use in cartilage.

Gray and Klotzbach's landfall forecasts issued in April are based on a probability scheme, making them challenging to assess.

Such problems involve multiple, conflicting objectives, making them challenging to solve.

Cheetahs are both fast and secretive, making them challenging to study, says study leader Sarah Durant of the Zoological Society of London and Wildlife Conservation Society: "Given the secretive nature of this elusive cat, it has been difficult to gather hard information on the species, leading to its plight being overlooked.

Some kids have more extreme temperaments, making them challenging to manage.

The best jobs aren't supposed to be easy, that's what makes them challenging.

For one thing, most of them require setting up a smartphone app for communication, which makes them challenging for the elderly.

Predation in the wild appears to be very rare for ruffed lemurs, probably because living in the high canopy makes them challenging to catch.

Their small size and high-degree of similarity makes them challenging for phylogenetic approaches.

However, their repetitive nature makes them challenging to study using conventional methods of molecular biology.