I travel 40 miles to work every day.

我每天奔波40英里去上班。

《牛津词典》

I sent them a money order for $40.

我寄给他们一张$40的汇款单。

《柯林斯英汉双解大词典》

I do think about having children, maybe when I'm 40.

我确实考虑要孩子，也许在我40岁时。

《柯林斯英汉双解大词典》

On this paper I have written all the problems I have answered for you in the last 40 years.

VOA: special.2009.03.28

Actually it's not 40, I think these are, 75 alright. So the answer is 75 and the number of calls is 1.7 million.

实际上不是4，我觉得，好了，所以答案是5,调用次数是1百70万次。

麻省理工公开课 - 计算机科学及编程导论课程节选

But I think you have another 40% or 50% that gets its information through television, which is very bad.

但是我想还有另外的40%或50%的人通过电视获取信息，这很糟糕。

美国偶像 - SpeakingMax英语口语达人

"When I turned 40, I looked down at the scale and thought, 'Oh my, I must really do something about this, ' " the Herndon, Virginia, woman says.

CNN: Weight loss helps mom battle cancer

When I reach 40, I drift back to the surface.

WSJ: The Ultimate Breathtaking Dive

But finally, in Brisbane against New Zealand, I managed to hit a few balls and once I got to 40 I felt confident again.

BBC: P Collingwood