Those who have no idea (what) being polite means will pay the price sooner or later.
问题描述：
Those who have no idea (what) being polite means will pay the price sooner or later.
答
从句原结构为：being polite means what（礼貌意味着什么）
have no idea后接的从句属于同位语从句；have no idea=don't know
what引导同位语从句：what being polite means
译文：
那些不懂礼貌意味着什么的人迟早会付出代价的.