You really know your stuff. - Sorry.

你跳得很不错 -抱歉。

You sure know your stuff, buddy!

你应该有所精通！

And you can build expert power just by knowing your stuff.

你也可以仅仅通过对自己专业知识的了解来建立专家权力。

You listen, you prepare, you know your stuff, and you observe very well what's going on.

你倾听，你准备，你知道你的东西，你观察得很好。

It also helps that I have strong team members, such as yourself. You really know your stuff!

优秀的团队也是有帮助的，例如你本人。你对自己领域确定很精通。

If you don't know your stuff by now, you never will!

如果你现在不知道你的东西， 你永远不会！

Just remember, you know your stuff.

只要记住 你懂技术。