A frog lives In an abandoned well . One day, a big turtle which comes from the sea meets the frog beside the well . The frog says to him: "I am the well master, It's free in this well, why don't you enjoy with me?" The turtle listened to frog and says , "Have you seen the ocean? I live in the sea which is a thousand metres long and a milloins metre wide, it is really joyful!"The narrow-minded frog listened and startled .
This idiom is used to describe shortsighted person who always satisfied with little things near,but doesn't know more.