How to express knowledge or ignorance of something?
	4.表达知道或不知道某事的技巧
	The Most Common Expressions
	最常用表达法
	Somebody has told me about that.
	已经有人告诉我这事了。
	Yes, I know that, thanks.
	是的,这事我知道,谢谢。
	Yes, I've heard about the news.
	是的,我已听说这消息了。
	I'm afraid I don't know.
	恐怕我不知道。
	I've got no idea.
	我一点也不知道。
	The Informal Expressions
	非正式场合表达法
	So I hear.
	我听说是这样的。
	That's what I heard.
	我是这么听说的。
	Don't ask me.
	我不知道。
	I haven't got the slightest idea.
	我一点也不.知道。
	Sorry, I really don't know.
	对不起,我真的不知道。
	The Formal Expressions
	正式场合表达法
	For all I know, he may have left for Canada.
	就我所知,他可能已去了加拿大。
	I am fully aware of that.
	我完全知道这事。
	I have to admit I don't know much about foreign affairs.
	我得承认我对外交事务知之甚少。
	I'm afraid I have to say I know very little about computers.
	恐怕我得承认对计算机我所知甚微。
	I'm sorry to say that I am quite in the dark about it.
	很遗憾,我不知道这件事。