1, ten years of cold window: describes years of hard study.

2. Sun Kangyingxue: For example, studying is very hard.

3. Qi Xin's cooperation: the same idea, Qi Xin's cooperation.

4. Diligence: Diligence and perseverance.

5. effort: concentrate on your efforts.

6. Study hard and practice hard: study hard and train hard.

7. I am engaged in: I am trying. Work hard.

8. Worrying about the country and the people: Worrying about the country and the people and working hard.

9. Holding ice in winter and holding fire in summer: describes hard work and self-encouragement.

10. Strive for strength: make up your mind and strive for progress.

1 1. All previous efforts were in vain.

12, suffering: the spirit of perseverance and hard work is extraordinary.

13, endurance: the spirit of perseverance and hard work is beyond ordinary people.

14, study hard and practice hard: study hard and train well.

15, wholeheartedly: it means working wholeheartedly for the same goal.

16, frugality: refers to living frugally and being willing to work hard.

17. Young children learn to be strong: they study hard when they are young and show their ambitions in their prime.

18, catch up quickly: act immediately and try to catch up.

19, friends and hearts work together: friends: the same. Unite as one and work together.

20. grit your teeth: try your best to endure pain or overcome difficulties.

2 1, tireless: diligent, dedicated, unwilling to stop.

22. Go forward bravely: work hard, struggle hard, and summon up the courage to move forward.