你有超人的感官，但你不知道它。

You have superhuman senses, but you don't know it yet.

youdao

你不知道它。

You not know it.

youdao

也许你不知道它，但是如果你喜欢摄影，可能你曾发现有时不遵守这一法则会让照片看起来更美。

You might not know it, but if you're into photography, you might have noticed how better it looks than not following this rule in some cases.

youdao

This is on purpose, because one of the things I hope you have learned to do this semester, is look up things you don't know, and figure out what they do. What they mean.

我举这个程序是有目的的，因为我希望你们这续期能学到,如何去查找你不知道的东西并，且弄懂它,们是干什么的，是什么意思。

麻省理工公开课 - 计算机科学及编程导论课程节选

hi3 Whereas Hi3, I just created, it happens to live in this directory but my computer doesn't know that so you do dot slash which says current directory.

至于我刚刚创建的,它正好位于我电脑不知道的位置,所以你必须敲入，/，这代表当前目录。

哈佛公开课 - 计算机科学课程节选

It says you gave me something I didn't know how to deal.

它的意思是你给了编译器一个,他不知道怎么处理的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选