事半功倍

Explanation: That work well, so effortlessly small, the effect is large. 　　Usage: Joint type; as predicate, object, attribute; with compliment 　　Source: Qin Meng Ke "Mencius Gongsun Chou on": "Wan Cheng of the States, the line benevolence, the Yue people, still hung upside down solution too. Guzhi Ren half the story, work will fold." 　　Examples: Such as good use of his expertise and experience, comparatively easy to obtain ~ effect. (A Brief Introduction to "experience the future") 　　Riddle: Six months-year plan Thesaurus:  foresee the future by reivewing the past, Understanding of the past few, kill two birds with one stone, serve a double purpose, (literally) to kill two birds with one arrow--to win the affection of two beauties at the same time Antonym Group:  Citation Dove quench one's thirst, kill the hen to get the eggs, kill the goose that lays the golden eggs, Agriculture, Fisheries and dry Ze, drain the pond to get all the fish, drink poison to quench one's thrist