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.
Still, Iran’s drones are proving to be a difficult problem External link for the American military to solve.
From Barron's • Mar. 9, 2026
“It’s a difficult problem to solve, and California is kind of solving it in real time.”
From Los Angeles Times • Nov. 26, 2025
That problem of coordinating people's attention at the same time to do X is a difficult problem.
From Salon • Mar. 22, 2025
The complex mouse model took several years to develop and characterize but has allowed the researchers to crack this difficult problem.
From Science Daily • Feb. 8, 2024
It was a difficult problem, as they did not know how many girls were in existence.
From "The Interrupted Tale" by Maryrose Wood
