They have collected money for forty years.

他们聚敛钱财已经有40年了。

youdao

For forty-eight hours the widow hunted for him everywhere in great distress.

寡妇苦苦地到处寻找他，整整找了两天两夜。

youdao

She dedicated herself to teaching for forty-five years, and all her students respected her a lot.

她投身教育事业45年，她的学生都很尊敬她。

youdao

In the fourteenth century, ships that arrived in Venice,Italy, from areas infected with bubonic plague had to stay outside port for forty days.

VOA: special.2009.05.06

There are still people now that live--there's a woman that lives near our village and she's lived in our village, she was born in the next village, and she's lived in our village for forty years because she married a guy from the village; and she's from the next village, about twenty football throws away, or a little more than that.

现在还有人住在,有个女人住在,我们村子旁边,她曾经住我们村,她是在邻村出生的,她在我们村住了,有40年,因为她嫁到我们村来了,不过她是邻村人,扔二十次橄榄球就到了,也可能远点

耶鲁公开课 - 1871年后的法国课程节选

When I'm on the computer, forty hours, fifty hours a week for work,

这是因为我一周要对着电脑工作四五十个小时。

如何利用空闲时间 - SpeakingMax英语口语达人

Perkins had worked with Sonsini on various matters for forty years, and liked and trusted him.

NEWYORKER: The Kona Files

The U.S. median male full-time wage has stagnated and declined for forty years.

FORBES: How Do Countries Grow Rich? It's Much Easier Than You Think

The world and markets cannot guarantee your financial stability for forty to fifty years of retirement.

FORBES: The Fallacy Of Saving For Traditional Retirement