开物成务

Explanation: Open: open, understanding; Services: Service. Familiar stuff of science, able to run all kinds of things. 　　Usage: Joint type; as predicate; that understands the truth of all things, and which shall have been successfully 　　Source: "Book of the copulative": "Cardiff" easy ", Kai into service, to take the world way, only those who have this predicament." 　　Examples: Studied under a pound, after Shibai Shi, ~, to issue Jue Zhi. (Song Chenliang "contained in the magistrate Yu De Man Festival")