Don't know what is what 不识天高地厚
What is it? Do you know what is it?
那是什么?你知道那是什么吗?
What it hasn't got is not worth having, and what it doesn't know is not worth knowing.
没拥有的就不值得拥有,不了解的就不值得了解。
Teach your child what is needed in certain disasters so that they know what is available for them, if ever needed.
教你的孩子在某些灾难中需要什么,这样他们就知道如果需要的话,他们可以得到什么。
It is also important to know what to do if the signs appear -- in yourself or in someone else.
VOA: special.2010.07.27
if we can't think what system it belongs to, that's tantamount to saying we really don't know what it is.
我们就不知道它从属于哪个符号系统,我们就不能认识它了。
The very fact that I need to know it in particular is what makes me need to know it negatively.
认识一件事物需要知道,它不是什么。
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