我当时非常吃惊，因为返溯实际上是对各种预测模型进行实际检验的标准方法。

I found that astonishing since backcasting is a standard reality test for forecasting models.

youdao

但是，我研究这个新版本之后，这些特性最让我吃惊的一点是它们非常容易实现。

But after exploring the new version myself, what strikes me most about the features is how easy they are to implement.

youdao

而他似乎是第一个投入资金的，这让我非常吃惊。

It surprises me he seems to be putting money first.

youdao

and he told me that he was mugged in a park near my house. I was very surprised.

并且告诉我，他在我家附近的公园被抢了。我当时非常地吃惊。

在上西区 - SpeakingMax英语口语达人