Sure. How about I give you three hundreds, and the rest in a mix of fifties, twenties and smaller bills?

没问题。我可以给你三张一百元的，然后其余的换成五十元、二十元和更小面值的，怎么样？

He's in his early twenties.

他二十出头。

He started going bald in his twenties.

他二十几岁便开始谢顶。

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。

Mozart clearly enjoyed good health throughout his twenties and early thirties.

莫扎特显然在二十几岁和三十刚出头时身体很好。

She'd had to wear her short, auburn hair flat like a twenties flapper for the play.

为了该话剧，她需要像二十年代年轻女郎一样将短褐色头发弄直。