乌溜溜 wūliūliū dark and liquid Origin Definitions Defs Strokes Stroke Words Sentences Sents 乌 烏 wū noun black (bound form) black; dark; raven-colored溜 liū reduplication [intensifier] Suffix used with certain adjectives to indicate a deep degree or a specific physical quality, such as in 酸溜溜 suānliūliū or 光溜溜 guāngliūliū