at fact和in fact的区别

没有at  fact的用法

in fact的意思是实际上，其实，确切的说，就等于in effecton fact 是关于事实，以事实为基础

例 :

She looks 50 but in fact she's more than 60.

Your plan should base on fact.

1、in fact和actually 译为“实际上/事实上”

1）用来修正前边说的话

--I hear that you are a doctor – actually， I’m a dentist. ——我听说你是个医生——实际上，我是个牙医。

It may sound very straightforward to you， but in fact it’s complicated. 这对你来说可能听起来很简单，但实际上很复杂。

2）提供更加详细的或意想不到的信息

I didn't fail the exam in fact I did rather well! 我没有考不及格，事实上，我考得不错！

His departure， in fact， went almost unremarked. 事实上，他的离去几乎没被注意到。

The lecture was so boring that I actually fell asleep before the speaker had finished. 讲座太无聊了，演讲者还没讲完我就睡着了。

2、 indeed 强调陈述句，译为“确实/的确”

It is indeed a remarkable achievement. 这的确是非凡的成就

We live in strange times indeed. 我们确实生活在一个奇怪的时代。

3、 virtually 没有100%，但实际上有99%

Virtually all cooking was done over coal-fired ranges. 事实上所有的烹饪都是在烧煤的炉灶上完成的。（也有一些些例外）

He virtually admitted he was guilty. 他实际上已承认自己有罪。（没有明说，但差不多是）

This year's results are virtually the same as last year's. 今年的结果几乎和去年的一样。