今天上午，我給媽媽講了“城門失火殃及池魚”這個成語。可是媽媽不懂這個成語的'意思。我就給媽媽打了個比方。比如爸爸和媽媽在吵架，也把我給扯進去了，這就是這個成語的意思。媽媽說：“原來是這個意思呀，你可以當媽媽的小老師了。
This morning, I told my mother the idiom "fire in the city gate will bring disaster to the fish in the pond". But mother doesn't understand the meaning of this idiom. I made an analogy for my mother. For example, when father and mother are quarreling, they also involve me, which is the meaning of this idiom. My mother said, "that's what it means. You can be my mother's little teacher.