1、You have no conception of what it was like to be there
你完全不知道在那里是什么滋味。

2、I have no conception of what he means.
我完全不懂他的意思。

3、You have no conception of our needs, only what you and your master thought to be our needs.
你對我們的需要毫無概念，只有那些你和你的總領認為我們需要的。

4、I have no conception of what you mean
我想不出你的意思是什么。

have no conception of翻譯