我深以你俩为荣，你们永远不会明白我有多爱你们。

I am so proud of both of you. I love you more than you can ever know.

youdao

我知道她不会明白我所说的，但是，我明白，我明白。

I knew she did not know what I was talking about. But I knew, I knew.

youdao

如果我说话没有抑扬顿挫，你也不会明白我在说什么。

You don't know what I'm saying if I say it in a flat tone.

youdao

I've never understand this until I've taught it.

如果我没这样教的话,我永远都不会明白。

麻省理工公开课 - 媒体、教育、市场课程节选