Having people laugh at you and not knowing why.

别人笑死你了。你却不明就里。

youdao

What came later was not remaining friends with Leonard and not knowing why.

后来和莱纳德不再算是朋友了，不知道为什么。

youdao

HP's recent series of bad decisions make people dizzy, not knowing why it is so.

惠普公司近期的一系列错误决策让人晕头转向，不知所以。

youdao

Not knowing why he was being kept in the cell without food, water or a toilet for so long confused him, Iredale said.

CNN: Student forgotten in cell for 5 days will sue DEA

Whether or not the weather outside is frightful, knowing how and why airlines operate the way they do is a first step in minimizing the effects of travel calamity.

BBC: How to minimise the effect of travel disasters

And President Obama, being such a loyal native of Chicago and knowing what has happened there, why has he not since being President pushed anything on issues of gun control?

WHITEHOUSE: Press Briefing