What is "four feet on four feet waiting for four feet?

问题描述:

What is "four feet on four feet waiting for four feet?
请翻译

这是个智力猜谜题目,什么东西是四只脚在四只脚上等待四只脚?
答案是 A cat on a chair waiting for a mouse
一只猫在一个椅子上等老鼠