粗糙 (cū cāo): Coarse (Adjective) — Meaning & Stroke Order

The data analysis section of the report is somewhat coarse; further refinement is recommended.

Why does this piece of silk feel so coarse? Is it a quality issue?

His design is not coarse; on the contrary, it is full of a unique primitive beauty.

Despite the crude tools and coarse technique, he created a deeply moving work of art.