穷寇勿追

Explanation: Do not chase the enemy of nowhere, so desperate enemy counterattack, causing their losses. Also used to refer not Birentaishen. 　　Usage: Contraction type; as object; means not chasing the enemy of nowhere 　　Source: Qin Sun Tzu "Sun Zijun war": "Teachers do not contain classified, will be Que Wai division, tottering foe not to force, this use of forces of law also." Thesaurus:  Hard-pressed enemy Do not force