We have no meanings for "certain roughness" in our records yet.
1 A certain roughness and rudeness have usurped upon the intercourse of the century.
2 Admittedly, Kokoschka liked work with a certain roughness and immediacy.
3 He was startled and disappointed, and his speech conveyed it by a certain roughness of tone.
4 There is, however, a certain roughness of manner about her new friends, which does not harmonize with her notions of aristocracy.
5 A more or less heated explanation followed between the Englishman and Ganimard and was cut short by Shears with a certain roughness :
6 There is a certain roughness in this story of childhood, the roughness of ancient customs, with which is always mingled some decency or dignity.
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