as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
infer the meaning of the following idiom: "it's raining cats and dogs."
user
this idiom is used to describe a heavy rainfall. it suggests that the rainfall is so hard and fast that it is as if cats and dogs are literally falling from the sky.
assistant