I am twenty-something.
我二十多岁了。
也可表达为：in one's twenties/20s
They're both in their twenties and both married with children of their own.
他们俩都二十几岁，都已经结婚生子了。
还可以借助 early，middle，late来表达得更明确一些，例如：
The girl is in her early twenties.
那女孩今年二十出头。
He is in his middle twenties.
他今年二十五岁左右。
She is in her late twenties.
她今年二十八、九岁。
外国人嘴边还有一个高频词汇：chill，顺便也来学习下。
1. He/She/Someone is chill. 表示某人很酷（cool）
2. 表示没什么事，放松，相当于relax.
英文释义：to spend time relaxing
We went home and chilled in front of the TV.
我们回家坐在电视机前放松。
I'm just chilling.
我放松一下。
3. 表示冷静，镇静，同义短语：calm down.
释义：to relax and stop feeling angry or nervous about sth
Sit down and chill out!
坐下来冷静一下！
4. 和朋友一起打发时间，闲逛，等于hang out.
let's chill.
我们去玩吧。
They sometimes meet up to chill out and watch a movie.
他们有时聚在一起，看场电影放松一下。
netflix and chill
外国社交平台流行语，最初的意思是“待在家里看看电视，放松放松”，现在多跟性暗示挂钩，性爱的一种委婉说法。返回搜狐，查看更多