驱羊攻虎

Explanation: Drive: drive. Tiger driven to attack the sheep. Strong described the weak enemy, power disparity, certainty of destruction. 　　Source: "Zhang Yi Historical Biography" Jufu from those with no different from driving in order to attack the sheep and the tiger, the tiger and the lamb does not Geming carry on. Not with the Tigers this king with the flock, Hill King of the total that had stolen also. "