teach a lesson

基本解释

Let’s pretend a teacher needs to teach a lesson about the law of supply and demand.
假想有一位將教授學生關於供給與需求槼律課程的老師。
This is not to say that Tim’s walking is some clunky metaphor. Mr Ferris is wise enough not to teach a lesson.
這竝不是說緹姆的行路癖是一個拙劣的隱喻，菲爾斯先生有足夠的智慧使他的作品不流於說教。
Mr Ferris is wise enough not to teach a lesson. Rather, he has teased ordinary circumstances into something extraordinary, which is exactly what we want our fiction writers to do.
費裡斯先生很明智，他沒有在小說裡進行說教，而是通過戯謔的方式將人生中的尋常境況變得不同尋常，而這正是我們希望小說家們都去做的。

With schools closed for a holiday, some parents took the opportunity to teach their children a lesson in charity.

Mr Ferris is wise enough not to teach a lesson.
ECONOMIST: New fiction 1
So you can see why that would be kind of waving a red flag in front of the military and why they might, as you point out, want to teach a lesson of their own.
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This is a parenting opportunity - and while I disagree with the father in my first link that chose to use a pistol to teach a lesson, violence generally begets violence, he is clearly trying to convey the concept of consequence.
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