一劳永逸
yī láo yǒng yì
Meaning: to get something done once and for all
Original: 形成坚定理想信念,既不是一蹴而就的,也不是一劳永逸的,而是要在斗争实践中不断砥砺、经受考验。
Source: On September 1st, Xi Jinping delivered a speech at the opening ceremony of a training program for young and middle-aged officials at the Central Party School in Beijing.