OK, you'd better get back to work unless you want me to crack the whip and start yelling at you.

好了，你最好回去工作了，除非你要我开始狠狠地对你吼。

Vagner: No, you can't do that. You have to buckle down and learn what's in this manual. I'm here to crack the whip.

瓦格纳：不，你不能那样做。你必须全力以赴，学习手册上的知识。我就是来鞭策你的。