“抛砖引玉”，汉语成语，字面意思是“throw away a brick in order to get a gem”，用来比喻用自己不成熟的意见引出别人更好的意见（offer a few commonplace remarks by way of introduction in the hope that others may come up with valuable opinions），是一种表示自谦的说法（a polite expression）。

例句：

我来说几句，算是抛砖引玉吧。

Let me say a few words, just to set the ball rolling.

这篇文章旨在抛砖引玉，引起大家对该问题的进一步讨论。

This article intends to start further discussion on this issue.