善始善终

Explanation: Good start to do things, but also good at the end. Describe the work seriously. 　　Usage: Joint type; as predicate, attributive; with a compliment 　　Source: Qin Zhuang, "Zhuangzi Grandmaster": "good demon good old, from start to finish." 　　Examples: Up as early signs of the times, ~, a kindness all the benefactor during his lifetime. (Ming Feng Meng "Jingshitongyan" Volume 25) 　　Riddle: Also had to clean to clean; life tangible good Thesaurus:  That business as usual, A consistent, Have started a Death