I spent four and a half years at Texas A&M watching 18- to 25-year-olds walk around campus in flip-flops and shorts and T shirts, wearing backpacks and having fun going to class.

我在德州农工大学当了四年半校长，看着那些20岁上下，穿着拖鞋T恤短裤、背着书包的年轻人在校园里面游走或在草地上嬉耍。

youdao

After I successfully completed four months of the language training, I went to join the pre - M. Ed. Program, which is for the students who are going into the Masters of Education Program at UPEI.

成功地完成了四个月的语言学习之后，我顺利进入教育学硕士预科课程，这是为学生进入爱德华王子岛大学(UPEI)教育学硕士课程所设的项目。

youdao

In all,the I.M.F.says worldwide financial losses could be as high as four trillion dollars by the end of next year.

VOA: special.2009.04.24

Three is the smallest one, and I'm going to compare four games twelve, which is going to give me four. And then what do?

然后将4和12进行比较，得到4是小的一个,那么下面怎么做呢？,将12与30进行对比，12是小的一个？

麻省理工公开课 - 计算机科学及编程导论课程节选

I'm just making some kind of living in what I've been doing the last four years.

我就是在用我这四年学到的东西养家糊口。

幸福的定义 - SpeakingMax英语口语达人

"I'm doing four more specials and beyond that no one's asked me to make any decisions and I'm quite happy to be enigmatic for as long as possible, " he said.

BBC: Tennant laughs off Dr Who rumours

We have already made progress on this front. (Applause.) And I'm not just talking about four-year colleges, I'm talking about two-year community colleges, getting advanced training.

WHITEHOUSE: The White House

I'm going to do it in four years, and I'm going to immediately set out to have bilateral talks with North Korea.

NPR: Transcript of Presidential Debate