英语短语学习：胡思乱想

　　如果你对一件事儿是a bee in your bonnet，那就是说你不能停止、没完没了地想这件事儿。我们常用这个短语来描述一个人对某事担忧、着急或因某事而很生气。单词 bonnet在这里指的是一种帽子。
　　例句：
　　The council wants to close down our local library. I've got a bee in my bonnet about it!
　　Mum's got such a bee in her bonnet about the wedding. I keep telling her that it will be fine, but she's very worried.
　　注意：
　　短语the bee's knees的意思是很好、了不起，它可以形容人或事。
　　例句：
　　Darren bought me a new car for my birthday - he's the bee's knees.
　　常识补充：
　　There are over 60,000 bees in the average bee colony. A honey bee can fly up to 8km per hour, beating its wings approximately 200 times per second.
　　一个蜜蜂群体里通常有六万多只蜜蜂。一只蜜蜂每小时可以飞行八公里左右；每秒钟摆动翅膀约两百多次。