The phrase "rugged determination" is correct and usable in written English.
You could use it to describe someone who is determined to accomplish a difficult and challenging task. For example, "Grace showed a rugged determination to complete the marathon, no matter the weather conditions."
Mr. Stephens's quiet demeanor and scholarly appearance cloaked a rugged determination where boats were concerned.
It embodies the isolation and rugged determination of life forms that will not be eradicated.
And while Savea and Taylor scored at the death to stretch the scoreline, their opponents' fitness and rugged determination ensured the expected rout never came.
Both persevered with the rugged determination of experienced runners for whom winning is an added bonus rather than a primary motivation.
Will we spend the next decade talking about Manning's rugged determination instead of his chances of leading the Colts to the Super Bowl?
Following Korea's liberation from Japanese rule, Jeju was largely a self-governing province inhabited by islanders used to rugged self-determination, in part due to its geographic distance from the mainland.
The breed is known to be independent and self-assured, playful, intelligent and has been nicknamed the 'Diehard' because of its rugged nature and endless determination.
A rugged forward, Iginla has the straight-ahead determination of a slot-hockey player, and is typically praised for his classy strain of truculence.
The main goal of the present study is to develop and validate the novel simple, higher sensitive, selective, rapid, rugged, and reproducible bioanalytical method for quantitative determination of SF in rat plasma by LC-MS/MS with a small amount of sample volume.
The goal of this work is to develop and validate a simple, sensitive, rapid, rugged, and reproducible assay method for the quantitative determination of SF from rat plasma samples.
A simple and rugged flow set up was designed for spectrophotometric determination of sulphide, sulphite and ethanol aiming at quality assessment of wines, control of industrial fermentation, and selection of yeast strain.
