What's the English meaning of "let the cat out of the bag"?

What's the English meaning of "let the cat out of the bag"?
What's the English meaning of "let the cat out of the bag"?

What's the English meaning of "let the cat out of the bag"?
英文中"let the cat out of the bag"的意思是什么?
答案：
泄漏秘密

这是个什么题啊？