Mr. Stevens recently celebrated his eightieth birthday.

最近史蒂文斯先生庆祝了他80大寿。

All our family came to Grandad's eightieth birthday party.

我们所有的亲属都来参加了祖父八十寿宴。

He has now attained his eightieth year.

他已经达到了他的八十岁。

All our family came to our grandfather's eightieth birthday party.

我们全家和所有的亲戚都来参加祖父的八十岁寿宴。

We made a special meal for my grandma's eightieth birthday last Sunday.

上个星期天我们特地为我奶奶的八十岁生日准备了一顿丰盛的饭菜。