"fierce elegance" is grammatically correct and can be used in written English
Example: The ballerina moved with fierce elegance, her every step a perfect blend of grace and power.
The fierce elegance of their clothing fully matches that of the stark landscape they inhabit; it also, and not incidentally, testifies to the irrepressible human will to beautify.
In England, Vladimir Jurowski, the 40-year-old principal conductor of the London Philharmonic Orchestra, is revered in equal measure for the fierce elegance of his conducting and the meticulously thought-out programs he puts together.
Candace Parker, widely regarded as the best women's player in the country, played with fierce elegance despite the hindrance of a dislocated shoulder, delivering 17 points, 9 rebounds and 4 steals.
When the sound shifts to the darker turbulence of Nyx, a harsher imperative takes hold: Edward Watson, commanding and hieratic, dominates the stage, and his six followers are rougher, fiercer beings, capable of elegance but driven by more atavistic principles of male energy.
But whichever way the silhouette of puffy top and narrow stem was drawn, it gave his woman a gentle elegance with all Mr. Tisci's fierce codes recollected in calm.
The balance might be between the exquisite elegance of a bias-cut gown and the fierce 1999 collection of science fiction outfits that brought the spirit of "The Matrix" movie to the grounds of Versailles.
His idiosyncratic visual language is informed by the fierce emotion and lavish style of his Latin American heritage, filtered by an exquisitly mannered elegance saturated with singular erotic charge".
Even in context, however, The Servant looks unique: its formal, theatrical elegance, combined with the ugliness of its emotions and fears, looks sharper and fiercer than ever.
