優化 yōuhuà HSK7 to optimize Origin Definitions Defs Strokes Stroke Words Sentences Sents 优 優 yōu adjectivenoun excellent (bound form) excellent; superior; of high quality; the opposite of 劣 liè化 huà affixparticle [...-ize] Suffix appearing after nouns or adjectives that expresses a transformation into a certain state or quality, meaning "-ize" or "-ization"