Same story for sophomore, same story for junior year, I finally took it senior year because they wouldn't get another chance even though it still doesn't fit in the workload ha ha.

大二，大三都是如此，最后我到大四才来上这门课,因为即使学业再忙,再不选就没有机会了，哈哈。

哈佛公开课 - 计算机科学课程节选

But this year, it's my senior year, so I'm just trying to take it easy and... take my classes.

但是今年我已经大四了，所以不想再那么忙了，就……好好地上课吧。

写作课程比较难 - SpeakingMax英语口语达人

While I was in college, part of the beauty and elegance of my undergraduate education was that between my junior and senior years I went on one of our college's seminars.

在我的大学期间，我的本科学业中的,一些美好的回忆,是在我的大三大四期间,我参加了一个学校的研讨会。

普林斯顿公开课 - 人性课程节选

She goes here, she's a fourth year. She's three years younger than me.

她在这儿读书，大四了。她比我小三岁。

我们是校园情侣 - SpeakingMax英语口语达人

How are we helping students to think about those questions and what they really want. And I think that I recently gathered 20 students, 20 seniors, to really just talk about that.

我们该怎样帮助学生思考那些问题,思考他们真正想要什么，而且我认为,我最近召集了20个学生，20个大四学生，让他们认真谈谈这个问题。

普林斯顿公开课 - 人性课程节选