You've all been immunized for Hepatitis B, would you be happy to hear that that's where your Hepatitis B vaccine came from?

你们都对乙型肝炎具有免疫力了,如果你知道你的乙型肝炎疫苗,是从何而来的话,你还会高兴的起来吗

耶鲁公开课 - 生物医学工程探索课程节选

But you can tell that for some reason he is not happy with you.

但你有种感觉，他对你不满。

Must 课堂 - SpeakingMax英语口语达人

" And-- "How long are you going to stay happy for?"

你们的快乐会持续多久“

哈佛公开课 - 幸福课课程节选

" And-- "How happy are you going to stay for?"

你会快乐多久“

哈佛公开课 - 幸福课课程节选