2, tireless.
3. perseverance.
4. get to the bottom of it.
5, dripping stones wear.
6. Not to be outdone.
7. Everything depends on people.
8. History is dull.
9. Bloom one after another.
10, bitter before sweet.
1 1, dripping wears away the stone.
12, work hard.
13, build a tower by gathering sand.
14, hanging beam stings people.
15, good medicine tastes bitter.
16, contentment is always happy.
17, studious.
18, pestle and grind into needles.
19, starting from zero.
20. cross the rubicon.
2 1, plow during the day and recite at night.
22. continuous progress.
23. The stone has opened.
I believe in learning.
25. Go all out.
26.practice makes perfect.
27. There is no end to learning.
28. Read widely.
Don't be shy about asking questions.
30. concentrate.