To......Don't......means in the sentence the meaning of need and need. According to this meaning, the following sentences are:
1. We must be practical and serious in our studies. , don't be too ambitious.
2. Pay attention to the lecture and don’t look around during class.
3. Party members and cadres must be pragmatic and not follow formalities.
4. See the strengths of others and don’t always focus on their shortcomings.
5. Listen carefully in class and don’t pay attention half-heartedly.
6. When dealing with students who are weak in learning, we must help them and not ridicule them.
7. When you make a mistake, you should look for reasons subjectively instead of always focusing on objectivity.
8. Be enthusiastic when receiving guests, and don’t neglect them.
9. If your classmates have shortcomings, you should help them enthusiastically and do not be sarcastic or sarcastic.
10. We must take care of the environment and don’t throw garbage everywhere.
11. Cadres must have the courage to take responsibility and not always blame the masses.
12. We should take the initiative to help others when they are in trouble, rather than just watching indifferently.
13. Stay calm and collected when answering questions, and don’t panic when you encounter difficulties.
14. Primary school students should take good care of their books and stationery and do not damage them.
15. Pay attention to methods when studying, and don’t do it blindly.
16. Fire prevention work is very important. Don’t treat it as an ordinary thing.
17. When you encounter difficulties in the exam, think calmly and don’t panic.
18. During the exam, keep your eyes on the test paper and don’t look around.
19. Speeches at meetings should be realistic and should not be long and empty.
20. Be calm and collected when answering questions, and don’t be anxious when encountering difficulties.
21. Senior students should take care of their junior classmates and do not scare them.
22. If you want to get things done, run a few more times and don’t be afraid of hitting a wall.