无可奉告

无可奉告:

Literally means:

no comment; have nothing to say

Actually means:

奉告 is a polite expression, which means in forming people about something.

This phrase means having nothing to say.

It is often used to indicate that one does not want to or refuses to give his opinions or answer questions.

奉告，敬词，把情况告诉对方或别人。

无可奉告，没有什么可以告诉对方或别人的。

多用于表示不想发表什么意见，或拒绝回答问题。