他二十几岁便开始谢顶。

He started going bald in his twenties.

《牛津词典》

他们俩都二十几岁了，都已结婚有了自己的孩子。

They're both in their twenties and both married with children of their own.

《柯林斯英汉双解大词典》

外边停着二十几辆汽车和几辆出租车。

Several cabs and a score of cars were parked outside.

《牛津词典》

.." So I probably have, you guys are in your 20s-- ... you know 20-- roughly another 60 years are going."

所以我大概还剩下，你们都是二十几岁-,二十岁-,那大概还剩下60年“

耶鲁公开课 - 死亡课程节选

people in their... people who are teenagers, people in their twenties,

还有人们在他们……十几岁的人，二十几岁的人，

海德公园的氛围 - SpeakingMax英语口语达人

singsong You just say that, just say it like 21 times, and our group does this together.

吟颂符咒,你可以一直重复，二十几遍也可，我们小组成员常一起念。

普林斯顿公开课 - 人性课程节选