孳孳不倦

Explanation: Refers to the tireless hard work or study. 　　Usage: Partial official; as predicate; with a compliment 　　Source: "Shang Shujun Chen," but on diligently, no dare Yi Yu. "" Later Han Pi-Chuan Lu, "sink deep studious nature, Zizi tireless." "Three Kingdoms Shu Shu pass to Lang," books are more concentrated, tireless. " 　　Examples: I know the wood home, there Luoqing Zhen Jun, or ~. ★ "Letters will be promptly addressed Hua" Thesaurus:  Race against time, Xi Ti towards dry, (literally) One moment is worth a thousand pieces of gold.--Time is precisous, Inch of time is money Antonym Group:  A day absent from you is like three seasons, Day not seeing as every other Sanqiu, time flies like an arrow, very short time, sui yuecuotuo, in course of time tantalization, have spent one's best years without any acheievements, pass days as if they were years, the whole year, Very close to each other Winter, Konghao time, loaf, idle time, let time slip by without accomplishing anything, torrent, Dent to increase (cost, trouble, age, etc.) without gaining advantage of any kind, Dent spindling