[Interpretation] The original meaning is a bright pearl, which is secretly thrown on the road, which makes people look very surprised. Metaphorically speaking, talented people are not valued. It is also a metaphor that good things fall into the hands of people who don't know the goods.

[Language] Sima Qian's Records of the Historian, Biographies of Lv Zhonglian and Zou Yang in the Western Han Dynasty: "The pearl that smells the bright moon, the pearl that glows at night, secretly throws people into the Tao, and everyone is proud of his sword. What is this? There is no reason to move forward. "

[near meaning] Abandon the bright and cast the dark, and cast the pearl into the dark.

[Usage] Subject-predicate type; Predicate, object and attribute;

[Example] In Yangzhou merchants, it is a pity to see a Yushan guest carrying a pot of boxwood and cypress. (shenqing Fu, "Six Chapters of a Floating Life, Idle Feelings")