Here are 50 four-character idioms related to the New Year, covering blessings, good luck, career, family, and many other aspects:

Expressing good luck and auspiciousness
1. Happy New Year
2. Years of peace.
3. Good luck and happiness
4. May all your wishes come true
5. Good Fortune
6. Purple Air Comes from the East
7. Joyful and lively
8. Spring Full of Human World
9. Good fortune is as vast as the East Sea.
10. Live as long as the southern mountains

Prosperous and developed
11. Wealth Comes from Many Sources
12. Prosperous business
13. Wealth and honor at the doorstep
14. Prosperous and developed
15. A household filled with gold and jade
16. Good luck in wealth
17. Money keeps rolling in
18. Good luck
19. Wealthy and influential
20. Prosperity of the family business

Meaningful and happy
21. Happy family
22. Flowers bloom in prosperity
23. Family happiness
24. Happy and Healthy
25. Happy life
26. Steadily rising
27. Perfect Match
28. Family Fun
29. Ping An Health
30. Blessings Overflow in the Human World

Describing the smooth career
31. Bright Future
32. Set sail
33. Thriving
34. Smooth sailing
35. Great Vision
36. Boundless future
37. Successful career
38. Visionary
39. Brave new heights
40. Rapid changes

Good luck comes
41. Snow brings a bountiful harvest.
42. Gold List Title
43. The icing on the cake
44. Good Luck
45. Good luck
46. Fortune from Heaven
47. Vigor and vitality
48. Favorable weather for crops
49. Spring breeze brings joy
50. Seasons Greetings

These idioms can be selected and matched according to specific needs, suitable for different New Year blessing scenes.