直溜 zhíliu perfectly straight Origin Definitions Defs Strokes Stroke Words Sentences Sents 直 zhí adjective straight straight; vertical; not curved; as an antonym to 弯 wān溜 liū [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