as mad as a March hare

例句：

1. 1. His behavior was as mad as a March hare, completely out of control.
   他的行为就像三月的野兔一样疯狂，完全失控了。
2. 2. She was as mad as a March hare when she heard the news.
   她听到那个消息时，就像三月的野兔一样疯狂。
3. 3. The old man's behavior was as mad as a March hare, causing everyone to worry.
   老人的行为就像三月的野兔一样疯狂，让每个人都感到担忧。