刺虎持鹬

Explanation: Yu standby to act, do both. 　　Source: "Qin Warring strategy II" and "Historical Zhang Yi Biography" contains Cihu the Warring States Period, Qin Hui Wang Chen chen said, citing as Yu Bian Zi Ci Hu, the first war to be neat and smart, by the time its a lose-lose into soldiers. Who snipe, with Two dogs locked in a stalemate, "the Code. 　　Examples: Chen is repeated attack in the previous generation to Man Man of the results, with knowledge ~, work in by time. Solid ground is not in order of the day is also the force. ★ Qing Wei, "Sheng Wu Ji" Juan Liu