difficult problem
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“It’s a very difficult problem, and society as a whole is not investing enough money in infrastructure ... especially water infrastructure,” said Lucio Soibelman, a professor of civil and environmental engineering at USC.
From Los Angeles Times ● Jul. 25, 2026
“It’s a notoriously difficult problem for classical computers,” Chow explained.
From Barron's ● Jan. 29, 2026
In a case like Prince Harry and his family, sometimes the best available outcome of a difficult problem is only possible when the other party won't even come to the table.
From Salon ● May 10, 2025
"That most difficult problem is that each nuclear power plant is in a different location and will need its own safety protocol and infrastructure," Yamagiwa said.
From BBC ● Feb. 18, 2025
It was a difficult problem, as they did not know how many girls were in existence.
From "The Interrupted Tale" by Maryrose Wood
