The phrase "a fierce challenge from" is correct and usable in written English.
It can be used when describing a strong or intense opposition or difficulty posed by someone or something.
Example: "The team faced a fierce challenge from their rivals during the championship game."
Alternatives: "a strong challenge from" or "an intense challenge from".
In Montana, the incumbent, Senator Jon Tester, a Democrat, is facing a fierce challenge from the state's sole congressman, Denny Rehberg.
He had held on to his Senate seat despite a fierce challenge from Bill Weld, then the Republican governor of Massachusetts, and now Mr Kerry glowed.
Hawthorn keep finding a way, overcoming a fierce challenge from an undermanned North Melbourne to win their pulsating AFL match by nine points.
Hansen has rarely altered his squad through the Rugby Championship and says he expects a fierce challenge from a Springboks side coming off two losses on the road.
The Senate race in Missouri was one of the most watched in the country, as Senator Jean Carnahan, the Democrat, faced a fierce challenge from Jim Talent, a former congressman who had the strong backing of Mr. Bush.
Paul and Gary Donovan, brothers from Skibbereen, had taken Ireland's first ever rowing medal in the lightweight men's double sculls, holding off a fierce challenge from Norway and South Africa to take a heroic silver.
In Florida, Gov.Charlie Crist is facing a fierce challenge for the Republican nomination for United States Senate, from the more conservative former State House Speaker,Marco Rubio.
Ballots were being counted Thursday in Sri Lanka's closest election in recent memory as powerful President Mahinda Rajapaksa faced a surprisingly fierce challenge from a onetime ally.
Not a fierce challenge, and it was clear from the start that the "sycophants" would never let Mr Prasada win.
Hawthorn withstood a fierce challenge to maintain their decade-long AFL winning streak over Melbourne.
