庸人自扰

Explanation: Since the interference asking for trouble. Refers to the original right, his trouble. 　　Usage: The main predicate; as predicate, object; containing derogatory 　　Source: "New Book of Tang, as the first land mass," nothing in this world, mediocre and annoying interference of the ear. " 　　Examples: He walked a half circle in the room, stopped at the door, back to Zheng Chenggong, warning Side, said not to ~. "★ China and the real" Chinese Dress "three Thesaurus:  borrow trouble, Concern for the ancients Antonym Group:  quench one's thirst by thinking of plums, Talk to toy, sour grapes, Talk to mockery