猪八戒吃人参果 zhūbājièchīrénshēnguǒ to swallow something without tasting it
(two-part allegorical saying) to not know the taste of what one has eaten; used to mock someone for failing to appreciate or understand something good because they were too hasty or lacked discernment; based on the character [[猪八戒|豬八戒|zhu1 ba1 jie4]] in "Journey to the West" who gulped down a magical fruit in one bite