The phrase "a coarse manner" is correct and usable in written English.
It can be used to describe someone's behavior or way of speaking that is rough, rude, or lacking refinement.
Example: "His comments were delivered in a coarse manner, which offended many in the audience."
Alternatives: "a rude manner" or "a rough demeanor".
Their basic human and artistic dignity is being trampled on, in such a coarse manner, very similar to the way it often was during the time of the U.S.S.R.
These viewpoints are chosen in a coarse manner along a viewing circle.
Nor is it my intention to speak of ancient studies, it being well known that fossil bodies were once considered individually, and with no application whatsoever; and if anybody ventured into comparing them with those from the sea, he did it in such a coarse manner and with such little insight that we cannot now fruitfully consider those authors' classifications.
While this approach is a coarse manner in which to filter the data, the assigned limits circumscribes the speeds at which larger vessels move while undertaking fisheries activities.
Matching the rugged and uncompromising features that are familiar from his portrait busts, Vespasian cultivated a bluff and even coarse manner, characteristic of the humble origins he liked to recall.
Known around the State House for his red hair and blunt, if sometimes coarse manner of speaking, he has become a household name during his three decades in the New Jersey Legislature.
Pirgu, who enjoys a successful career during the interwar despite having a shady past and coarse manners, has been defined by Amăriuţei as "the eternal and real Mitică of the Romanian world".
The G20T-duplexes are modelled in a coarse-grained manner as two hard cylinders with length L=16 nm and thickness D=3 nm (aspect ratio X0=L/D=5.33).
While the debate primarily centers on genetics, dispersal trajectories and points of earliest presence, the context (climate, landscape, demography, culture) of the colonizing process is usually considered in a coarse-grained manner or even ignored.
Besides, MSPN characterizes scene spatial layouts in a fine-to-coarse manner to enforce the consistency in labeling.
As with most of Mr. Rogen's characters, Kyle is really only guilty of coarse manners and of being a puppyish hound, which in the bromance world is a natural state of grace, close to a benediction.
