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

And your little sister is pointing at him and laughing hysterically.

你的妹妹指着他哈哈大笑。

Don't 课堂 - SpeakingMax英语口语达人

Well, that's because it's actually not a gross constituent unit in a semiotic system, right?

哈哈，这是因为,红灯不是这一符号系统的一个完整单元？

耶鲁公开课 - 文学理论导论课程节选