She said she worked hard to learn French and she embraces French values.

VOA: standard.2009.12.30

What did you learn about how easy or hard it is to keep track of what food intake is?

你从记录食物摄入过程中,学到了什么,记录饮食是难是易

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Well--since I myself don't believe in souls, it's hard to surprise you to learn that I don't think the soul theory of personal identity is right.

因为我本身不相信灵魂的存在，所以你们肯定能想到,我认为人格同一性的灵魂论,不是正确的。

耶鲁公开课 - 死亡课程节选

"A.P.courses are really hard and they really force you to learn and are really good.

VOA: special.2009.11.05

The president's message to students was simple: study hard,pay attention in class and embrace the opportunity to learn.

VOA: standard.2009.09.08