Sentence examples for which are challenging from inspiring English sources

Furthermore, they can generate incomplete preferences which are challenging to assess in a consistent way.

He describes how Viking's success has spawned many competitors, some of which are challenging Viking's luxury status.

Last month they heard arguments in cases involving two other broadcast networks, Fox and ABC, which are challenging the Federal Communications Commission's restrictions on indecency.

Biomedical research often requires primary cultures of specific cell types, which are challenging to obtain at high purity in a reproducible manner.

Near space hypersonic vehicle model is nonlinear, multivariable and couples in the reentry process, which are challenging for the controller design.

The accuracy of the analyses, however, depends on the input parameters, some of which are challenging to define for a nonlinear problem.

I'm living with cancer, which is challenging.

You see a far wider style of play, which is challenging to me as a coach".

They sat North and South on the diagramed deal, which was challenging for both sides.

The town, which is challenging the award, would have to pay $500,000, said Mr. Crumbine.

You can't shoot any shot longer than 10 seconds, which was challenging.