It's sometimes hard for me, but I trust that you will be able to do that.

有时会有点困难，但我相信你们能做到。

耶鲁公开课 - 1945年后的美国小说课程节选

If you do that at home I think, but don't trust me, you'll find out that X is equal to a third.

如果你回去自己计算一下,你会发现X等于1/3

耶鲁公开课 - 博弈论课程节选