He started going bald in his twenties.

他二十几岁便开始谢顶。

《牛津词典》

In his twenties Roosevelt had sought work as a cowboy on a ranch in the Dakota Territory.

二十多岁时，罗斯福曾经到达科他地区的一个大牧场去找牧牛工的活儿。

《柯林斯英汉双解大词典》

"That's surprising," a runner in his twenties said after seeing Wang compete in the Liaoning marathon in April.

“这太令人惊讶了，”一位20多岁的跑步者在4月份观看了王桂兰参加辽宁马拉松比赛后表示。

youdao

A man also in his twenties or thirties rocks back in his seat.

VOA: special.2009.08.31

Indeed, he was winning Grammys when he was in his twenties and has been recording sort of esoteric jazz and sometimes more pop jazz thereafter.

的确,他二十岁的时候得过格莱美奖,录过一些小众的爵士乐,之后还录过一些流行爵士乐

耶鲁公开课 - 聆听音乐课程节选

In his twenties he settled in Sedalia,Missouri.

VOA: special.2010.01.24

But then I called the family, and heard that the guy had been a boxer in his twenties.

NEWYORKER: Offensive Play

Li introduced me to the explosives chief, a thin man in his twenties, with a coxcomb of spiky hair.

NEWYORKER: Boss Rail

You can't tell when a lad of 18 is released from prison how he will be in his twenties.

BBC: Jon Venables thinks of James Bulger's death 'every day'