n. (Trad=棗, Pinyin=zao3) date, jujube, date tree, date palm

hu2 lun2 tun1 zao3
Swallow a date without chewing.
Said of someone who does not have a deeper understanding of his knowledge, but has just learned it vaguely. Reading without thinking. Learning without understanding. Compare with 半瓶子醋 (ban4 ping2 zi3 cu4), 知其然，不知其所以然 (zhi1 qi2 ran2, bu4 zhi1 qi2 suo3 yi3 ran2) and 华而不实 (hua2 er2 bu4 shi2).