如果想表示某物很粗糙，可以使用 "rough" 这个形容词。"Rough" 来自中古英语 "ruh" 或 "ruhhe"，意思是 "粗糙的"。
例句：
The surface of the stone is rough. (这块石头的表面很粗糙。)
The fabric feels rough to the touch. (这种布料摸起来很粗糙。)
He had a rough day at work. (他在工作中度过了一个辛苦的一天。)
注意："Rough" 也可以表示 "粗暴的"、"残忍的" 或 "艰难的"。例如：
He has a rough personapty. (他的个性很粗暴。)
The prisoners were treated with rough cruelty. (囚犯们遭受了残忍的待遇。)
It was a rough journey across the desert. (穿越沙漠是一场艰难的旅程。)