复杂 fùzá HSK3 complex Definitions Defs Origin Strokes Stroke Words Sentences Sents 复杂性 fùzáxìng complexity 错综复杂 cuòzōngfùzá intricate tangled and complicated; complex and intricate复杂化 fùzáhuà complicate to complicate; to become complicated复杂系统 fùzáxìtǒng complex system 计算复杂性 jìsuànfùzáxìng computational complexity computational complexity (math.)