正邪 zhèngxié vitality vs pathogeny Origin Definitions Defs Strokes Stroke Words Sentences Sents 正邪相争 zhèngxiéxiāngzhēng vital-pathogen struggle In TCM, the progression of a disease viewed as a struggle between vital energy ([[正气|正氣|zheng4 qi4]]) and pathogenic factors ([[邪气|邪氣|xie2 qi4]]).