So the first thing I need to tell you is I really mean it.

所以第一件事我要告诉你们是我是认真的。

耶鲁公开课 - 死亡课程节选

and just, you know, work hard and study, do your homework, eat well too, I'm sure that helps

所以，我的建议是，努力学习，认真完成作业，
同时也好好吃饭，这真的很重要哦。

如果是在考虑留学 - SpeakingMax英语口语达人

It's my lifeblood and I want you to take this seriously too.

这课是我的心血,我也希望你们能认真对待

耶鲁公开课 - 聆听音乐课程节选