丝丝入扣 sīsīrùkòu meticulous Origin Definitions Defs Strokes Stroke Words Sentences Sents 丝 絲 sī reduplication silk the fine thread produced by a silkworm; textiles made of silk入 rù verbnoun to conform (bound form) to conform with; to match; to suit a standard or fashion扣 kòu to grip to grip tightly; to stick close to a theme or subject