纵虎归山

Explanation: The tiger back into the mountains to go. Analogy to the bad guys back into the nest, leaving the seeds. 　　Usage: Style and language; as predicate, object; refers to the enemy to let go 　　Source: Sima Biao Jin, "Lingling sages pass" method is sent Zhang Ying Liu Bei, admonished said Pakistan 'prepared, male people, into the damage will not be in too. 'Not only into Pakistan re-remonstrance, saying' If only prepared to discuss Zhang Lu, is to put the tiger in the mountains also. 'Zhang did not listen. " 　　Examples: Liu Bei in this kettle of fish, trap the tiger; if not on time Qinzhuo like to put fish into the sea, - carry on. ★ Ming Luo Guanzhong's "Romance of Three Kingdoms" Article 42 back Thesaurus:  make one's (own) way, let the tiger return to the mountains — cause calamity for the future, Keep tiger bring about disaster, with might redoubled, an endless flow of disastrous aftermath (because no preventive measures are taken), Water dragons have, cure tumor sow seeds of disaster, Aftermath support carbuncle, cherish [mourish, warm] a serpent [snake, viper] in one's bosom, leave a legacy of trouble boundless, calamity boundless, calamity boundless, Harm boundless, Huang Fei Teng Tap Antonym Group:  Wanguaqiandao, cut (it) fine, in full battle array, tear a body limb from limb, Chancao dig up the roots, thousand cuts and myriad pieces, Fate Duochuan, Shixue by nature, Lone wild goose Shiqun, maintain internal security and to expel foreign invasion, draw snake out of its hole, Zhanjin exterminate, cut the weeds and dig up the roots— destroy root and branch, kill people like flies, Yuquguyu, give line and scope, Liunianbuli, a man who loses position and influence may be subjected to much indignity, Tiger down smooth land, blood debt continuously, A red sea of (blood, wine) Yuanchou, a huge debt of blood; blood feud; intense and deep-seated hatred, luring the enemy in deep, to the consignation of canopy, evil must be completely eradicated, Longkun bank