孜孜不倦

Explanation: Diligently diligently, do not slack off. Refers to the tireless hard work or study. 　　Usage: Partial official; as predicate, adverbial; with compliment 　　Source: "Shang Shujun Chen," but at diligently, no dare Yi Yu. "" Later Han Pi-Chuan Lu, "Journal of deep curiosity, Zizi tireless." "The Three Kingdoms Shu Shu pass to Lang," books are more concentrated, tireless. " 　　Examples: His work over many years ~. Thesaurus:  have a good command of through diligent study, application curiousness Antonym Group:  work by fits and starts, Yibaoshihan, work by fits and starts, do not attend to one's proper business (duties), Not the end for the German, restless and whimsical; be fanciful and fickle; in a capricious and jumpy wood, in a capricious and jumpy wood, Aiheshizhong, excessive attention to travia saps the will, echo