新东方网英语四级频道为备考英语四级的同学整理了英语四级词汇讲解及考点归纳，希望可以为大家带来帮助，一起来学习一下吧。
英语四级词汇讲解丨考点归纳：as far as
As far as I know, no such drugs are ever known to work.
四级词汇讲解:
口语中经常以as far as I know作为一句话的开头，意为“据我所知”，其后的内容便是说话的重点，这也正是听力的常见设题点。no such…ever…意为“此类……从未……”，表示强调。句中的work意为“有效果，起作用”。
英语四级考点归纳：
听力中与as far as I know类似的表达还有:
※ as/so far as I'm concerned意为“就我而言”。如:
So far as I'm concerned, I"m not going to run the program。就我而言，我不会去运 作这个项目。
※ as far as sb./sth. is concerned意为“就某人或某事物而言”。如:
As far as performance is concerned, we've done quite well.就表现而言，我们做得还不错。
※ as far as it goes意为“就其本身而言”。如:
The statement is correct as far as it goes.该表述就其本身而言是正确的。
From:https://www.zgghmh.com/CET-4/20004074.asp