For those of you who don't know, prairie dogs are not actually dogs.

你们当中可能有人不知道，草原犬鼠其实不是狗。

youdao

He felt hatred for the students who did not know the value of hard work.

他憎恨那些不懂得努力学习的价值的学生。

youdao

Girls who have always been at a mixed school know how to stand up for themselves.

一直在男女混合学校上学的女孩子们知道如何自我保护。

《柯林斯英汉双解大词典》

What I do is I always know who I am writing for, I always know the ensemble or the soloist.

VOA: special.2010.07.12

But, you know, I know someone who was a teacher in a Chicago public school for decades and lost his job, teaching math to high school kids, because he is gay.

我认识一个任职于,一所芝加哥公立学校几十年的老教师,被解雇了，他在高中教数学，仅仅是因为他是同性恋。

普林斯顿公开课 - 人性课程节选

Israel's descent to Egypt sets the stage for the rise of a pharaoh who, the text says, didn't know Joseph and all that he had done for Egypt.

以色列人下埃及也为一个法老的得势打下基础，文中说法老不认识约瑟夫，也不知他为埃及做的一切。

耶鲁公开课 - 旧约导论课程节选

And, yes, we're here to stand, and proudly so, for all who struggle to break free from totalitarianism, for all who know in their hearts that freedom is the one true path to peace and human happiness.

CNN: State of the Union Address

For those who know how, it is as easy as breathing or laughing.

FORBES: The Art Of The Sound Bite -Media Training

There were plenty of surprises on awards night but not, perhaps, for those who know Martin Scorsese, the president of this year's jury.

ECONOMIST: The Cannes Film Festival