- 抛砖引玉
- pāozhuān-yǐnyù[throw out a brick to attract a jade; (fig) offer a few commonplace remarks by way of introduction so that others may come up with valuable opinions] 抛出砖去, 引回玉来。 比喻自谦以粗浅的见解引出别人的高见
方才婢子费了唇舌, 说了许多书名, 原是抛砖引玉, 以为借此长长见识。 --清·李汝珍《镜花缘》
Advanced Chinese dictionary. 2013.