coarse-grained
Not elegant, Chinese idiom, Pinyin is B ù D ē NGD à y ǎ, which means you can't get on the elegant hall. It is used to describe something that is not valued and "vulgar" (mostly literary works). From the story of heroes and Heroines: the first chapter of origin.
The origin of Idioms
Wen Kang's the first story of the origin of children's Heroes in the Qing Dynasty: "this comment was originally a novel that was not elegant. It was originally named" Jin Yu Yuan. "
Idiom usage
It's used as predicate and attributive; it's used as example for vulgar and low-grade things, but it doesn't appear elegant. Preface to Qu Qiubai's "random play"
Chinese PinYin : bù dēng dà yǎ
coarse-grained
without wavering to one side or the other. bù piān bù dǎng