Right, I'm hoping I the grades in order, otherwise it's going to ruin my curve at the end of the year.

我希望我成绩尽量好,要不我一年的努力就白费了

耶鲁公开课 - 博弈论课程节选

It's a cliche--People say, let's not reinvent the wheel here, so let's go back to that.

人们会说这是陈词滥调了，咱们别在这白费口舌了，咱们还得从头说起。

耶鲁公开课 - 金融市场课程节选

When we find people challenging it, I think they have the bulk of time and human experience on their side when they say you guys got it wrong.

当我们发现有人挑战这一定律时,我只能说他们完全是在白费力气,当他们说道 你们这些家伙是错的

耶鲁公开课 - 古希腊历史简介课程节选