In the middle, a child holds one end of a rope. The other end of the rope is connected to a wooden pole, which supports a sieve. Beneath the sieve are scattered some grains of rice.,From then on, no matter where grandpa hid, he could find it! Of course, he didn't get beaten up for it.,In the haystack, Su Shi was annoyed that he was bound to be beaten today. Suddenly, seeing his grandfather's unprecedented seriousness, he froze and instinctively nodded.。