as for 和as to的区别

as for 和as to的区别：含义不同、用法不同、强调重点不同。as for含义为至于、就…方面来说，在语体上不如as to正式，引导的是前面尚未提到过的新的事情；as to含义为谈到、关于，常与what等疑问词引导的动词不定式和名词从句连用。

一、as for的含义及用法

as for意为至于，就…方面说来。引导时间状语从句。主句可以是主动句，也可以是被动句。

例句：As for avoiding you, nothing could be further from my mind. 

至于说躲避你，我根本就没有这样的想法。

As for his job — well, he was very mysterious about it. 

至于他的工作，他总是显得非常神秘，从不多说。

As for doctors, when you go to see them they just look right through you. 

说到医生，你去看病时，他们直把你当透明的。

As for anything told to me in confidence, well, my lips are sealed. 

至于私底下告诉我的任何事情，我会守口如瓶的。

As for Laura and me, the colour of our skin has never mattered 

至于我和劳拉，肤色根本不是问题。

As for her engagement with Adam, I would say the portents are gloomy. 

至于她和亚当的婚约，我看兆头不妙。

As for the present, things are far better than at any time in the past. 

如今呢，可比以往任何时候都要强。

二、as to的含义及用法

as to意为至于，谈到;关于;成比例。

例句：I'm not so stupid as to believe that. 

我还不至于傻得连那样的话都相信。

Medical opinion differs as to how to treat the disease. 

关于如何治疗这种疾病医学界有不同的看法。

They gave no indication as to how the work should be done. 

他们根本没说明这项工作该怎样做。

There is a difference of opinion as to the merits of the plan. 

关于这个计划的优缺点，大家意见分歧。

I can't believe you were so naive as to trust him! 

真是难以相信你会幼稚到信任他！

Scientists are puzzled as to why the whale had swum to the shore. 

科学家们感到不解：为什么这头鲸游到海岸上来。

This gave me a clue as to the source of the problem. 

这件事给我提供了找出问题根源的线索。