... <看更多>

... <看更多>

"Raining cats and dogs" literally means that small animals are falling out of the sky. But, of course, this image of animals falling from the sky is a metaphor ... ... <看更多>

2) “Cats and dogs” may come from the Greek expression cata doxa, which means “contrary to experience or belief.” If it is raining cats and dogs, it is raining ... ... <看更多>