learn an object lesson 吸取教训
serve as an object lesson 作为警示
teach an object lesson 给予生动的教育
give someone an object lesson 让某人长记性
an object lesson in failure 失败的生动例子
1. The broken vase was a perfect object lesson for the kids who were playing with it.
那个破碎的花瓶是那些玩花瓶的孩子们最生动的一课。
2. His failure in the business served as an object lesson to his colleagues.
他的商业失败成了同事们的一个警示。
3. The teacher used the history of the Roman Empire as an object lesson about the dangers of corruption.
老师用罗马帝国的历史作为关于腐败危险的一个生动例子。
A: Did the new intern understand why he shouldn't delete the database without backup?
A：那个新实习生明白为什么不能在没备份的情况下删除数据库了吗？
B: Yes, the system crash was quite an object lesson for him.
B：明白了，那次系统崩溃对他来说是个很深刻的教训。
1) 具体的教训，通过实际事例得到的教育
2) 形象的例子，用于说明某种观点或后果
3) 警示，通过展示负面结果来阻止类似行为
4) 实物教材，利用具体物体进行教学
1. 具体的教训；形象的例子（通常用复数）
e.g.The accident was a serious object lesson for all drivers.
这次事故对所有司机来说是一个严重的警示。
noun phrase
1. A specific example or incident used to illustrate a point or teach a lesson, especially a negative one that demonstrates the consequences of certain actions.
Synonym: warning, example, lesson, demonstration