黄老师已是知天命的年纪，爹娘已是八旬之人。

Huang teachers already know the age of Destiny, is the eight-year person.

其他健在的家族成员要么年近八旬，要么已是耄耋之年。

The other surviving members of the clan are pushing 80 or well beyond it.

不管你是青少年还是个八旬老人，你都可以持续你的聪明、机敏和博学。

You can maintain a clever, astute and erudite persona whether you're adolescent or octogenarian.

沃伦·巴菲特，这位最近年过八旬的亿万富翁，已经在跌宕起伏的股市中，经历风雨几十年。

Warren Buffett, the world's newest octogenarian billionaire, has been beating the stock market for decades.

那八旬的老母亲看见了汽车上的我，嘴抖了几抖，闭了眼睛，扶着墙，身子像泥一样瘫了下去。

With lips trembling and eyes shut, she first leaned against the wall, then collapsed, weak and limp, like soft mud on the ground.