既成事实

Explanation: De facto: become. Has resulted in fact. Often refers to a means of imposing the use of force or causing the situation. 　　Usage: Verb-object type; as attribute, object; refers to the fact that has been formed 　　Source: Tandoori Fu "Rain does not absolutely" poem: "Ming rain had gradually both subtle and reflect an empty roll Yang as silk fly." 　　Examples: For ~ the marriage, we have resolved through legal means. Thesaurus:  one Not return to, what's done cannot be undone, The die is cast., Turn traitor No, Ma ago splash, adage, come to stay