His siblings are in their twenties.

他的兄弟姐妹都是20来岁。

《柯林斯英汉双解大词典》

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

他们俩都二十几岁了，都已结婚有了自己的孩子。

《柯林斯英汉双解大词典》

Then, usually in November, we make the even longer trip east across Canada to see Travis and our grandchildren, who were about their twenties.

然后，我们通常在11月向东走穿越加拿大，去看望特拉维斯和我们的20多岁大的孙辈。

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More than forty percent of Spaniards in their twenties are out of work.

VOA: special.2011.07.21

Some of those kids will need coronary bypass surgery in their twenties; some of them will be blind by the time they're thirty.

这些孩子有的要在二十多岁时,做冠状动脉搭桥手术,有些人在三十岁的时候会失明

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It's nice to be around a lot of young people. There's a lot of people in their twenties,

我很喜欢周围有许多年轻人。这儿很多人只有二十来岁。

喜欢环境法课程 - SpeakingMax英语口语达人

Of the fifty or so people present, most were clean-cut men in their twenties or thirties.

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Is there someone in their twenties who might want to expand that idea beyond three words?

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Hot 97 was celebrating 20 years of Summer Jam, but rappers in their twenties dominated the annual concert.

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