真凭实据

Explanation: Solid credentials. 　　Usage: Joint type; as subject, object, attribute; with compliment 　　Source: Qing Pang Yang Ou "black membership innocent people," the fifth time I was a law-abiding good citizens of this, people said I demoted the opium smuggling are feud pull, there is no hard evidence. " 　　Examples: Deal with any case, there must be ~. Thesaurus:  Letter and a sign, be there for all to see