正经八板 zhèngjīngbābǎn serious Origin Definitions Defs Strokes Stroke Words Sentences Sents 正经 正經 zhèngjing adjective serious earnest; not frivolous; (of an attitude or speech) sober or grave八 bā verbadjective many many; numerous; in all directions板 bǎn to keep a straight face to stop smiling; to look serious; to tighten one's facial expression