Apartment, corridor, aisle, sign.

1) Walk gently down the corridor.

2) Go up and down the stairs to the right.

3)

Please cherish our clean floor.

4)

Caring for the classroom means loving your alma mater.

5)

Respect teachers and unite students.

6) May our tomorrow be brilliant.

7) Please slow down and pay attention to the feeling of the floor under your feet.

Please don't speak loudly.

Books are the golden key for us to acquire knowledge!

10) Always be confident (this is the secret of success).

If it helps you, please adopt it.