Sentence examples for are often challenged from inspiring English sources

Newman reports a similar change in students' perceptions: "It's sad but you are often challenged by students' prejudices.

Rules devised by the executive branch are often challenged on grounds that they violate an underlying federal statute or have been rushed through without proper vetting.

Democrats, especially African-Americans, are often challenged to prove their tough-on-crime bona fides to voters, and the Cruz appeal offered Burris a chance to make his mark in a high-profile case.

For Chivas USA, Trujillo combines with Bornstein to give the club's coach, Preki, a pair of diminutive wing defenders who are often challenged physically by the opposition, but are skillful and flexible enough to present the opposition problems when going forward.

Naturally, these two reasons are often challenged.

Traditional measures of product market competition using industry statistics are often challenged and found wanting.

Schools in areas of economic need are often challenging places to work".

White-collar criminal cases are often challenging to bring because of their complexity.

Wednesday mornings are often challenging after two days off and an accompanying weight gain.

Investigations of the effect of placebo are often challenging to conduct and interpret.

Hence, the modeling and computer simulations for these problems are often challenging.