引玉之砖

lit. a brick thrown to prompt others to produce a jade (idiom) / fig. a modest suggestion intended to prompt others to come forward with better ideas

to draw (e.g. a bow) / to pull / to stretch sth / to extend / to lengthen / to involve or implicate in / to attract / to lead / to guide / to leave / to provide evidence or justification for / old unit of distance equal to 10 丈[zhang4], one-thirtieth of a km or 33.33 meters

jade

(possessive particle, literary equivalent of 的[de5]) / him / her / it

variant of 甎|砖[zhuan1]

variant of 磚|砖[zhuan1]

brick / CL:塊|块[kuai4]