To know your onions, great expression.

Know your onions，很棒的表达。

If you know your onions, right, it means you know something really well, right?

如果你 know your onions，意思是你很了解一些事情。

So listen, let's make sure that you, with your English, that you really know your onions in this video.

那么，跟着本期视频一起学习吧。

If you want advice on stocks, go ask Livermore, he has an excellent track record and he certainly knows his onions.

如果你想要股票方面的意见，去问问利弗莫尔好了，它的历史记录一直很好，绝对精通这个领域。

The first thing to remember is knowing your onions.

首先要记住的是了解你的洋葱。

Right, finally, that expression that will make you sound super British, right, the one that will, when you say it will show that you know your onions.

好，最后，这个表达会让你听起来非常英式，当你使用它时的时候，它会展示你精通英语。

And at the end of the video, I'll show you one way that if you use this, you can show any British person that you really know your onions.

在视频的最后，我会展示一种回答方式，如果你用这个回答，你可以向任何英国人展示你真的“知道你的洋葱（精通英语）”。