Sure! Here’s a rewritten version of the sentences maintaining the original meaning:

1. He has more experience as a teacher compared to his colleague.
2. He provides instruction.
3. This bike is pricier than that one.
4. The cost of this bike is higher.
5. Tom is a more creative writer than Jack.
6. Tom writes.
7. Jenny is a more eager learner than Peter.
8. Jenny learns more enthusiastically than Peter.
9. This singer has more talent than the others.
10. This singer performs better than the others.
11. My sister is a better cook than I am.
12. My sister does the cooking.
13. Jane is more cautious when driving than her brother.
14. Jane is more careful behind the wheel than her brother.
15. He visits the gym more often than his friend.
16. He is a more regular visitor to the gym than his friend.
17. The dog is more devoted than the cat.
18. The dog shows more loyalty than the cat.
19. Mary participates more attentively in class than Tom.
20. Mary listens more closely than Tom does.