If I didn't understand what was happening, an explanation would come. But no teacher spoke.

如果我不明白所发生的事，一个解释就会来到，但是没有老师讲话。

youdao

So if I didn't understand I was being asked to be best Man. It is because I never expected to be anybody's best friend.

所以如果我不明白为什么找我做伴郎，那是因为我从没想过我会是任何人的好朋友。

youdao

I understood that love to a point as a child, but I didn't understand that if God loved me why did He make me like this?

做为一个正常小孩，我能理解这份爱，但我就是不明白如果上帝爱我为什么又要如此造我？

youdao

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。

麻省理工公开课 - 计算机科学及编程导论课程节选

If I didn't understand a technique or an ingredient, I would say to Greta 'What is that?

CNN: Word of mouth

"If it's true, then I'm stupid because I didn't understand anything about this, " Mancini added later.

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