为什么用“rain cats and dogs"表示大雨倾盆？

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No matter how hard it's coming down， you know it's not literally raining dogs outside. So， why do we say it？

If you've ever heard of the phrase “rain cats and dogs"， you may have thought it was a bizarre way to describe heavy rainfall. After all， it conjures images of cats and dogs falling from the sky. While cats and dogs may not literally be falling from the sky， they may have inspired the phrase.

无论雨下得多大，你都知道外面并没有真的“下狗”。（剩余2877字）