Here we have two of our T.A.'s, actually these are the two head T.A.'s, and I want you to face forward so you don't see what I'm doing.

我们的两个助教在这里,事实上是两个助教主管,把脸朝前,不要看到我的动作

耶鲁公开课 - 博弈论课程节选

It's a way to nod your head and say that you're okay with moving forward.

这个句型表示你会点头同意继续推进一件事情。

I'm ready to 课堂 - SpeakingMax英语口语达人