challenge
Example Sentences
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The moth's caterpillars will only eat two plants - aspen and creeping willow - which makes it a challenge to conserve, according to Butterfly Conservation.
From BBC ● Aug. 14, 2026
"The biggest challenge for young people is that there aren't many jobs," the 20-year-old told AFP.
From Barron's ● Aug. 14, 2026
“DCOR is the poster child for why the Coastal Commission must retain its … ability to challenge yet another very bad idea that will increase the risk of a spill off our coast.”
From Los Angeles Times ● Aug. 14, 2026
The challenge was determining exactly where the immune cells inside the brain had originated.
From Science Daily ● Aug. 14, 2026
Skipping classes would be a challenge if I wanted to keep my grades up.
From "Liar, Liar" by Gary Paulsen
The biggest obstacles to President Trump’s order on vaccines may be the logistical challenges it poses for parents, health providers and drugmakers in the United States.
From Los Angeles Times ● Aug. 15, 2026
Yes, having different schedules from a potential partner can be difficult — especially if you get more serious and want children — but every relationship comes with its challenges.
From MarketWatch ● Aug. 14, 2026
While the US Navy has acknowledged supply challenges, it has denied that a mental health crisis is taking place on the Lincoln, which has 5,000 onboard.
From BBC ● Aug. 14, 2026
“Micromobility”—people zipping around on small motorized vehicles—has brought challenges to traffic-law enforcement for years.
From The Wall Street Journal ● Aug. 14, 2026
He saw that he had a donor he could trust, maybe a WL who could be educated about the real challenges of abating poverty.
From "Mountains Beyond Mountains" by Tracy Kidder and Michael French
“Innovation is a little more challenged to bring in new customers in this environment,” Penegor said.
From The Wall Street Journal ● Aug. 11, 2026
Starting a year ago, the court itself began to employ the term biological sex in equal-protection decisions in which transgender claimants challenged laws imposing requirements for gender-affirming care, passport identification, and participation in sports.
From Slate ● Aug. 7, 2026
A group of seven states also challenged the TotalEnergies agreement in court, arguing that the deal misused government funds and failed to follow proper administrative procedures.
From Los Angeles Times ● Aug. 6, 2026
His best result came as an independent in Buckingham in the 2010 general election, when he challenged then speaker of the House of Commons John Bercow.
From BBC ● Aug. 5, 2026
He saw the gwythaint was wounded by more than thorns; perhaps an eagle had challenged it, for blood flecked its back and a number of feathers had been torn out.
From "The Book of Three" by Lloyd Alexander
NYC Common Sense, a nonpartisan advocacy group, filed a lawsuit in June challenging Mr. Mamdani’s “directive ending criminal enforcement of e-bike violations” on behalf of safety advocates, “vulnerable pedestrians” and victims of this e-bike terror.
From The Wall Street Journal ● Aug. 14, 2026
New research from Stanford is challenging that picture.
From Science Daily ● Aug. 14, 2026
Assessing opposition to the war is challenging due to censorship.
From Barron's ● Aug. 14, 2026
District Judge Maame Ewusi-Mensah Frimpong appeared inclined to grant a preliminary injunction in a lawsuit challenging the Trump administration’s immigration raids in Southern California.
From Los Angeles Times ● Aug. 13, 2026
Ona Judge escaped her bondage, bravely challenging America’s most powerful man.
From "In the Shadow of Liberty" by Kenneth C. Davis
Vocabulary lists containing challenge
List 2
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The SAT: Language of the Test, List 4
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Academic Vocabulary Toolkit 1, Words 11-20
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