1.
They married in their twenties.
他们是二十多岁结的婚
2.
For these reasons, young people in their mid-and late twenties?
由于这些原因，二十岁或二十多岁的年轻人??
3.
The children are now in their twenties. The temperature dipped into the twenties.
孩子们都已经二十多岁了。气温降到了二十多度
4.
Most students are in their 20s when they graduate from colleges and universities. Ten years later, in their 30s, they are at the age during which they should attain academic achievements.
大学毕业二十多岁，经过十年三十多岁，应该是出成果的年龄。
5.
He broadened out in his twenties.
他二十多岁时身躯变宽了.
6.
He was only in his early twenties yet already making such a fool of himself. What would happen when he was thirty or forty?
自己才二十多岁，已经这么闹笑话，赶到三四十岁的时候，应当怎样呢？
7.
added a youngster of about twenty who was standing next to Wu Wei-cheng.
吴为成旁边的一个二十多岁的青年也加了一句；
8.
Most people thought that the relationship between a twentyish man and a fortyish woman was completely inappropriate.
大多数人都觉得一个二十多岁的男人和四十多岁的女人谈恋爱是绝对不合适的。
9.
How old are you? I am twelve (years old).
你几岁？我十二岁。
10.
Mainly in their20 s and30 s, they are in a sexually active age group.
他们大多数二、十岁，性需求比较旺盛。
11.
"Twenty - almost twenty-one.
“二十岁——差点二十一。
12.
(of a child)nearly five, twelve,etc years old
（指儿童）近五岁、十二岁等.
13.
Now I am twenty-eight and am in reality more illiterate than many schoolboys of fifteen.
现在我已二十八岁，但在现实生活中，比许多十五岁的学童更无知。
14.
For men in their 50s, their chance of fathering an autistic child is nine times the risk of men in their teens and 20s.
50多岁的父亲生育孤独症儿童的风险比十几二十岁的父亲高9倍。
15.
She said she was only twenty-two --- twenty-two my eye!
她说她只有二十二岁--二十二岁, 胡说八道!
16.
She said she was only twenty-two--- twenty-two my eye!
她说她只有二十二岁－－二十二岁，胡说八道!
17.
For men in their fifties, their chance of fathering an autistic child is 9 times the risk of men in their teens and twenties.
50多岁的男子，他们抚育出自闭症儿童的可能性是十几岁和二十几岁的男子的9倍。
18.
The best period for a person to study is between the ages of 18 and 20.
十八岁到二十岁正是学习的最好时期。