放鱼入海

Explanation: Analogy let go of the enemy, leaving the seeds. 　　Source: "Three Kingdoms" Liu fourth at the second reactor of this fish, tiger trap, if not to this time Qinzhuo, such as the release of fish into the sea, vertical carry tiger back to the mountain. " 　　Examples: If Zhuobu Zhu beat to death, so that they fled to equal ~, tiger escape back to the mountain. ★ Zhou Yuqing, "a night in the western Shanxi Incident"