The phrase "and determination to keep" is correct and usable in written English.
It can be used when expressing a strong resolve or commitment to maintain something, such as a goal or principle.
Example: "Her success was fueled by her passion and determination to keep pushing forward despite the challenges."
Alternatives: "and resolve to maintain" or "and commitment to uphold".
"They greatly underestimated our vigilance and determination to keep organized crime out of Atlantic City's casinos," Ms. Milgram said.
To a man and woman the Guéret protesters expressed fury at the government, and determination to keep going.
Ryan said that he admired McElroy's courage and determination to keep his job but that McElroy needed to be more forthcoming.
"But that is not the world we live in, and until Senator Obama understands that reality, the American people have every reason to doubt whether he has the strength, judgment and determination to keep us safe".
You would witness effort and determination to keep going (especially up the hills), great camaraderie and support and, at the end of the run, a "mission accomplished" glow of pride among the participants.
These corruptors have demonstrated their ingenuity and determination to keep trying to get at players and match officials and therefore we must be continually active in thwarting their intentions.
"His courage in the face of stiff opposition and personal threats, and his determination to keep on fighting, has inspired many, and encouraged them also to keep fighting for wildlife," Goodall wrote.
The relationship is perched on the edge of eros, but the way the movie is set up, it can't fall off the perch into an actual love affair, and although Coppola's taste and her determination to keep the anecdote small and ambiguous in feeling are admirable, the movie could use something grander, fiercer — danger, perhaps.
But there is much we don't know about what his administration is up to, and its determination to keep us in the dark and to stifle any criticism makes the minimal amount of dissent more alarming than reassuring.
The annual quota-fixing talks became the usual battle between belt-tightening cutbacks demanded by the commission on the basis of scientific evidence of dwindling stocks and ministers' determination to keep beleaguered fishing communities afloat – economically and literally.
It takes poise and discreet determination to keep such wispy thoughts from turning sentimental, and Ms. Torrini has both.
