1. The grass is green and merciful.

1. The grass is green and kind.

2. 煤气泄漏莫惊慌，先关阀门后开窗。

2. Don't panic if there's a gas leak, first close the valve and then open the window.

3. at the foot of the pillars there was rain and tide

3. At the base of the pillars there was rain and tide.

4. better to go straight than to go straight

It seems there might be a typographical error in the text you provided, as "better to go straight than to go straight" doesn't make logical sense. If you meant to compare two options, it could be something like "It's better to go straight than to take a detour." Assuming that's the intended meaning, here's the translation: 4. It's better to go straight than to take a detour.

5. if you are afraid of going on a bumpy road, dont try to climb a peak

5. If you are afraid of going on a bumpy road, don't try to climb a peak.

6. planting hemp is not skillful, and weeding is often done with water and feces

6. Planting hemp is not skilled, and weeding is often done using water and feces.

7. hands are afraid of not moving, brains are afraid of not using

7. Hands are afraid of not moving, brains are afraid of not being used.

8. only carelessly suffer losses, not careful to be deceived

8. Suffer losses carelessly, not being careful to be deceived.

9. Put down the axe and plant trees.

9. Lay down the axe and plant trees.

10. Protect your home with action and water the earth with blood.

10. Protect your home through action and water the earth with blood.

11. The mountains are lush and lush， and the livestock and grain are plentiful under the mountains.

11. The mountains are lush and verdant, and livestock and grain are abundant under the mountains.

12. whenever there is a rut, there are trees and shadows

12. Whenever there is a rut, there are trees and shadows.

13. Let the wind and sand no longer rampant， but also a green mattress on the earth.

13. Let the wind and sand no longer rage, but also let a green mattress rest upon the earth.

14. excrement is concentrated and its strength is infinite

14. Excrement is concentrated, and its strength is infinite.

15. A horse is not weak in its thin legs, but poor in ambition

15. A horse is not weak in its thin legs, but poor in ambition.

16. Cleaning， cleaning and persistent， beautiful environment is really good.

16. Cleaning, cleaning and persistently, a beautiful environment is truly good.

17. how early to get up is wisdom, and how late to go to bed is news

17. What time to wake up is wisdom, and what time to go to bed is news.

18. food given by another person is only a throat tickler, but food gained by the labour of ones own hand is the food which satisfies

18. Food given by another person is merely a throat tickler, but food gained through the labor of one's own hands is the food that satisfies.

19. Tree planting and afforestation， merit in Qianqiu.

19. Tree planting and afforestation, a virtue in Qianqiu.

20. 花木有情报春晖，同学爱护喜心扉。

20. The blossoming trees signal the arrival of spring, classmates cherish this moment with joy in their hearts.

21. no mud field, no rice, no silkworms

21. No mud field, no rice, no silkworms.

22. long may, short october, not short february and august

22. Long May, Short October, Not Short February and August

23. The campus is neat and everyone is happy.

23. The campus is tidy and everyone is happy.

24. 让绿色在生活中洋溢，让心灵在绿色中放飞。

24. Let green fill our lives and let our souls soar in the embrace of greenery.

25. Trees shade， flowers everywhere， fairyland on earth， very beautiful.

25. Trees provide shade, flowers are everywhere, a fairyland on earth, very beautiful.

26. 人间知音难觅，校园草坪难培。

26. It's hard to find a true soulmate in the world, and it's challenging to cultivate a lush campus lawn.

27. 保护环境是责任，爱护环境是美德。

27. Protecting the environment is a responsibility, and loving the environment is a virtue.

28. people are afraid of sadness, trees are afraid of peeling

28. People are afraid of sadness, trees are afraid of shedding bark.

29. labour is often the father of pleasure

29. Labor is often the father of pleasure.

30. dont be afraid to take medicine, run off the doctors leg

30. Don't be afraid to take medicine, don't run away from the doctor's advice.

31. When planting bamboo， it is better to plant flowers and willows after rain.

31. When planting bamboo, it is better to plant flowers and willows after the rain.

32. 植树造林，功在千秋。

32. Afforestation is a project of eternal benefit.

33. Environment and life coexist， environmental protection and health coexist.

33. Environment and life coexist; environmental protection and health coexist.

34. cows don't know the corners, horses don't know the faces

34. Cows don't know the corners, horses don't know the faces.

35. practice makes perfect

35. Practice makes perfect.

36. fate thousands of miles to meet, no chance to know each other

36. to travel thousands of miles to meet, no opportunity to get to know each other

37. 3Greenpeace oceans, people happy Growth, white marine, people suffering life

37. 3Greenpeace oceans, happy people; white marine, suffering life.

38. all in one, all in one

38. All in one, all in one

39. the river has crossed bye-bye to the bridge

39. The river has crossed by to the bridge.

40. Tree the wind of environmental protection and welcome a better tomorrow.

40. Plant the wind of environmental protection and welcome a better tomorrow.