Your bowing pattern is probably backward at that point.

你的弓法在那时应该是用下弓

耶鲁公开课 - 聆听音乐课程节选

We use this pattern to emphasize a point that has possibly been expressed in the past.

我们用这个句型来强调过去曾经表达过的一种观点。

That's what课堂 - SpeakingMax英语口语达人

I might point out that the way the Greeks did their immigration into Asia Minor actually had a pattern so that you can go from north to south and you will find some consistency. Here's what I mean.

我该说明一点,古希腊人移居至小亚细亚,实际上是有一特定形式,因此从北部往南部,你们能发现某些一致性,举个例子来说

耶鲁公开课 - 古希腊历史简介课程节选

Our third example for using the "That's what" pattern is when you explain a specific point about a larger issue.

使用 "That's what" 的第三种情况，是解释一个大问题中的特定方面。

That's what课堂 - SpeakingMax英语口语达人