The phrase "keep pristine" is correct and usable in written English.
It means to keep something in good condition, unspoiled or unaltered. For example, you might say: "The lake has been kept pristine by careful laws regulating boating and fishing."
The Sumac, though, he wants to keep pristine.
New Yorkers for Parks focused on large parks because their size and variety of attractions, from ball fields to bodies of water, make them difficult to keep pristine.
Native tribes have been uprooted, forced deeper into the forest or have disappeared.The government of President Rafael Correa now wants help to keep pristine one of Ecuador's most important remaining jungle areas, in the Yasuní national park.
Mud is fine when you're in the audience but how do you keep pristine when you're performing?
Spares should be kept pristine, for when they are really needed.
The city owns about 9percentt of the county's land, which is kept pristine to protect the watershed.
One ofV Cthe pair of beaches is kept pristine, without even a lounger in sight (one morning, I almost burned my back lying on the sand).
An untidy plot is a breeding ground for pest and disease, and Jim keeps pristine rows, without a scrap of decaying lettuce leaf or impertinent weed.
"It's far from perfect," he said, his apologetic tone hinting that one might reasonably expect any Rolls, even one that is 38 years old, to be kept pristine.
Craig Monahan, who directed and wrote the script with Gordon Davie, uses spaces to convey mood, and his cinematographer, Simon Duggan, gives the picture a cold sharpness; it looks as if it has been kept pristine in a grocer's freezer.
He could not have imagined that Mandela's life sentence would be a gift to the A.N.C. Mandela, kept pristine in prison, was spared the inevitable slippage from idealism to corruption that military values bring; he came out skoon, an Afrikaans word meaning both squeaky clean and beautiful.
