Do you not know your old shadow?

你不认识你的老影子吗？

youdao

How can you not know China?

你怎么会不知道中国？

youdao

Do you not know how to move forward in life?

不知道该怎么继续在生活中前进么？

youdao

And when the pruning is done in August, the lambs -- well, you might not want to know this part.

VOA: special.2009.07.14

But, you know why not do something a little special, little different, and they decided instead to use lithium.

但是你懂的，为什么不做的更特殊，更与众不同一些呢？

麻省理工公开课 - 化学原理课程节选

It might be like a single, a single mother, you know. She might not get home from work until like 6.

也有可能是个单亲母亲。她下班到家可能要6点之后了。

哈莱姆的变迁 - SpeakingMax英语口语达人

Did you not know or should you not have known then (now) about the health risks associated with your cell phone use?

FORBES: Cell Phone Radiation? Text, Don't Talk, advises FCC

But what you may not know, you may not know this because I didn't know this until recently, it's actually based on a book.

NPR: Sony's Secretive 'Da Vinci Code' Marketing Plan

The Left would rather you not know a basic fact of mortgage lending: The very last thing mortgage companies want is a messy foreclosure that sticks them with distressed properties which they must dispose of at a substantial loss.

FORBES: Too Big To Fail Banks Crumble Before Greedy Federal Government In Mortgage Deal