Pronunciation kè kǔ zuān yán Hard: Hard. Work hard and study hard. Source: Zu Chongzhi: "Dare to overthrow the wrong conclusions of predecessors, showing the spirit of assiduous study and persistence in truth of outstanding scientists at all times and all over the world." Degree of common use: common use; Emotional color: commendatory term; Grammatical usage: as predicate and attribute; Used for study, etc. Generation year: ancient times; English: Keep learning.
Example: He studied hard for the revolution, and his tireless spirit is worth learning. Self-study social classics, study hard, day and night, change my mind; Academic research needs hard study and long-term efforts, and quick success and instant benefit are not enough; In the process of learning, don't give up halfway, study hard and persevere. Only by being down-to-earth and studying hard can we be competent and happy in our work.
Deng Jiaxian studied hard abroad and got a full load after returning home, which made great contributions to China. Cao Wei studies very hard, studies very hard and never asks for answers; In order to conquer the mathematical tip of Goldbach conjecture, Chen Jingrun studied hard day and night, and finally made remarkable achievements. I don't believe in genius. I only believe in diligence. As long as I study hard, I will get good grades.