Jiārén wèi nǎinai bàn le lóngzhòng de bǎisuì shòuchén yàn.
The family held a grand centennial birthday banquet for grandma.
Tips
usage
寿辰 is a respectful word for birthday reserved for elders (distinct from 生日 for any age). Common elder-birthday milestones: 六十大寿 (60), 七十大寿 (70), 八十大寿 (80), 九十大寿 (90), 百岁寿辰 (100). A centenarian is 百岁老人 / 寿星.
