这是一个为期四十九年的计划。

It was a forty-nine-year plan.

我打算为她的四十岁生日买一件礼物。

I'm planning to buy a gift for her fortieth birthday.

但现如今，我快要四十岁了。

Whereas now, I near the end of my fourth decade.

在四十年内，大多数人将能活到一百岁。

Within forty years, most people will be able to live up to one hundred years.

我妈妈下星期就四十岁了。

My mother will be forty years old next week.

尼克在他母亲四十岁生日时送给她一条围巾。

Nick gave his mother a scarf on her fortieth birthday.

在过去的四十年里，中国取得了巨大的进步。

China has made great progress in the past forty years.

九年级一班的四十名学生喜欢阅读用英语写的小说。

Forty students in Class One, Grade Nine are fond of reading novels written in English.

Freddy仍然是我四十年前遇到的那个有爱心的人。

Freddy remained the same caring person I met forty years before .

他成功地推举起一百四十公斤。

He successfully pressed 140 kilograms.