Get taught a lesson 吸取教训

taught，teach的过去分词和过去式。get done形式强调动作。
teach v.教，教授，传授。另teach school指的是在学校教书。

【例句】
Though that is undeniably true, there are two caveats that don't get taught in schools.
虽然这种做法是无可异议的，但是有两件事情是学校没有教给你而需要你重点注意的。
 
We moved to a small town where my mother taught school and my father worked in real estate.
我们搬去了一个小镇，妈妈在学校教书，爸爸在一家地产公司工作。