| 11. | golden wedding 50th anniversary of a wedding |
| 金婚纪念(结婚50周年纪念)
|
| 12. | golden jubilee (celebration of a) 50th anniversary |
| 50周年纪念(庆典)
|
| 13. | celebrate Christmas, sb's birthday, a wedding anniversary , etc |
| 庆祝圣诞节, 某人的生日, 结婚纪念日等
|
| 14. | an anniversary committee |
| 周年纪念委员会
|
| 15. | announce their 25th wedding anniversary |
| 宣告他们的结婚25周年纪念
|
| 16. | celebrate the 38th anniversary of the founding of the People's Republic of China |
| 庆祝中华人民共和国成立38周年
|
| 17. | commemorate [mark] the 150th anniversary of the artist's death |
| 纪念这位艺术家逝世150周年
|
| 18. | honour the tenth anniversary of his reign |
| 庆祝他在位10周年
|
| 19. | keep the anniversary of his birth |
| 过生日
|
| 20. | observe the 50th anniversary of |
| 纪念…50周年
|