全部

1·Her brothers were both hefty men in their forties.

她的两个兄弟都是四十多岁，身高体壮。《牛津词典》

2·Steel cans were introduced sometime during the forties.

钢罐是在四十年代的某个时候开始使用的。《柯林斯英汉双解大词典》

3·He didn't get married until he was well into his forties.

他到四十好几才结婚。《牛津词典》

4·He was in his early forties, tall and blond with bright blue eyes.

他四十出头，高个，长着一头金发和一双明亮的蓝眼睛。《柯林斯英汉双解大词典》

5·He was a big man in his forties, smartly dressed in a suit and tie.

他是一个四十几岁的高大男子，穿着西服打着领带，很精神。《柯林斯英汉双解大词典》

6·It is most often diagnosed in women in their thirties and forties, although I've seen it in many younger women, as well.

这种病多发于三四十岁女性的身上，不过我见过很多更年轻的女性也患了此症。《柯林斯英汉双解大词典》

7·The driver was a white man in forties.

司机是一个四十多岁的白人。

8·He became an astronaut in his forties.

在他四十多岁时成为了一名宇航员。

9·He was very successful in his middle forties.

他在四十五六岁时很成功。《牛津词典》

10·She became quite a notable director in the thirties and forties.

她在20世纪的三四十年代成为一位名导演。《柯林斯英汉双解大词典》

(1)forty thousand四万