它被用于当一个人讲述一些被假设是秘密的事情，没有一个能够解释这猫是如何进到里面去的，但这是一很古老的传说。

It is used when someone tells something that was supposed to be secret. No one can explain how the cat got into the bag. But there is an old story about it.

youdao

它被用于当一个人讲述一些被假设是秘密的事情，没有一个能够解释这猫是如何进到里面去的，但这是一很古老的传说。

It is used when someone tells something that was supposed to be secret. No one can explain how the cat got into the bag. But there is an old story about it.

youdao