剪草除根

Explanation: When the roots to get rid of weeds, so the grass can not grow. Analogy to remove the seeds, in order to avoid future trouble. 　　Usage: Joint type; as predicate; analogy to remove the seeds, leaving troubles 　　Source: Pre Hengyu "Zuo public six years hidden": "for the country who see evil, such as the farmer of the service to its grass Yan ... ... absolutely the root, without rendering can yield." 　　Examples: The order ~, ordered the dissolution of the school, the students and staff be bombers out. (Liang Bin "Red Flag" Forty-nine) Thesaurus:  Bird Hunting Kusanagi, Ruthless, Kubenjieyuan, Jian grass root up, an entire family is killed without offspring(or issue), luck in later life infinitude, Thuggish, wipe out, Xuezhujuegen Antonym Group:  ci beiweihuai, compassion is the principle of life