Cao dare not attack a clerk. Who is withdrawing troops for Cao Cao?

Prime Minister Cao Cao's main book. He is studious and talented. He is the main book of Prime Minister Cao Cao, and he works for Cao Shi, but he is arrogant. And Cao Cao, since Pinghanzhong, wants Liu Bei, so he can't enter, and it's hard to keep. The guards don't know what to do. Cao Cao then taught him, saying, "Chicken ribs". Outside Neng School, the student said, "If you eat chicken ribs, you will get nothing. It would be a pity if you abandoned them. " Just to make the outside world stricter, Cao Cao is here to return Li. There are many such decisions. I tried to travel again, and asked some questions about foreign affairs when I planned the exercise. Instead, I answered questions and guarded my house: "I will pass orders in turn." As expected. If there is, blame the speed, be cheaper, know the situation and avoid repairing it here. Yuan Shu's nephew, worried about future trouble, was killed.