养虎贻患

Explanation: Analogy conniving enemy, retention troubles. Tiger with support from the left suffering. " 　　Source: Ming Jang, "A governor declared major Accounting and yellow to two Krupp" This so-called lead thieves into the house, keep tiger unchecked, what a trick or Down? " 　　Examples: With ~, might as well - forget it. ★ hole Jue "New Tale of Heroes" Chapter VII