为蛇画足

Explanation: Analogy to work complications, not only useless but harmful thing. 　　Source: "Warring Qi policy II" Chu has Temple who gave their Scheeren wine goblet. Scheeren phase that said "several people drink less, drink more than one person; Please draw for the snake, first into those drinking. 'A snake into the first, cited the wine and drink, is left holding goblet, hand painted snakes, said,' whom I can meet. 'Nowhere, one of the snake into, wins the goblet, saying' no snake solid enough, to whom the child safety