牛毛细雨，瓢泼大雨，横扫的暴雨。
To understand behavior, we must look at its purpose in the context of survival and adaptation.
"I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish."
刀展示了锋利，而试刀砍头的人将遭到不祥。