I didn't expect it to do this. If you understand why it did what it did, you're half way there.

这样运行的啊，如果你能弄明白为什么,它这么运行，你已经完成了差不多一半了。

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maybe fill in the holes and you kind of figure out, "Oh, yeah, okay, that's what happened there."

也许可以试着填空，你会弄明白的，“哦，对了，好吧，原来是那样。”

英语学习技巧 - SpeakingMax英语口语达人

But like the bottom line, if you read a lot, then you'll start to understand.

如果你读得多了，你基本就能弄明白了。

英语为什么这么难呢？ - SpeakingMax英语口语达人