I came here in 1992 And then I had a mini epiphany half way through my sophomore year.

我1992年来到哈佛求学2,大二期间，突然顿悟了。

哈佛公开课 - 幸福课课程节选

You join them during the second semester of your sophomore year and

你在大二的第二学期才能加入饮食俱乐部。

有趣的吃东西协会 - SpeakingMax英语口语达人

One of them did not return for his sophomore year.

他们中有人没回来读大二。

麻省理工公开课 - 固态化学导论课程节选

You can similarly explore your sophomore year and Harvard thankfully does have this mechanism.

你也可以看一下大二课程的打分方法,哈佛也采用这种打分制。

哈佛公开课 - 计算机科学课程节选

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