And what did we talk about?' I try to write notes, but it's very hard.

VOA: special.2009.09.14

You can talk about working hard on your joint problem sets, but as long as you go home and you don't work hard, it doesn't help.

你大谈特谈你在多么努力地做家庭作业,但是回家后如果你依旧偷懒,这还是无济于事

耶鲁公开课 - 博弈论课程节选

He is teaching a kind of, we will find out, a kind of hard-headed realism Polemarchus that expresses disgust at Polemarchus' talk about loyalty and friendship and the like.

他教授一种，我们稍后会发现，一种冷静的现实主义,表达出对,忠诚与友谊之类谈话的厌恶。

耶鲁公开课 - 政治哲学导论课程节选

But he says even with stories where animals talk, sometimes it can be really hard to reach children.

VOA: standard.2009.12.11