Once they arrive, the tables are turned.

攻击者的天敌们一到，局面就扭转了。

33. What does the author mean by " the tables are turned" in paragraph 3?

33. 作者在第 3 段中所说的“局势逆转”是什么意思？

Once they arrive, the tables are turned. The attacker who was lunching now becomes lunch.

一旦这些天敌到来，局面就扭转了。本来正在享用午餐的攻击者现在变成了别人的午餐。

He concluded that a big reason for parents being happiest when their children leave home is that the tables are turned and the children provide more support to their parents.

他总结到，父母们在孩子独立生活后最开心的一个主要原因是形势逆转了，孩子们为父母提供了更多的支持。