认作的英文：
be regard as

参考例句：

The locution of which we have made use--passed to the state of--has been condemned as a neologism by M. Royer Collard
我们刚才所用的这一词组“竟成了……”是被罗叶－柯拉尔认作新词的。

A few years ago this factory was still regarded as the Cinderella of the printing trade, but now it is very famous.
几年前这个工厂还被认作印刷业的灰姑娘,但现在它已非常有名气。

When the command processor is performing batch processing, many DOS users refer to it as the command interpreter.
当命令处理程序正在进行批处理，很多DOS用户都把它认作命令解释程序。

regard是什么意思：
v. 注视；考虑；尊敬；注意；关系
n. 缘由；注意；尊重；致意，问候

English is generally regarded as such a language.
而英语就被广泛地认为是这样一种语言。

The superstitious regard it as a bad omen.
迷信的人认为那是一种恶兆。

He is regarded with disfavour.
他不讨人喜爱。

It is to be regarded as excusable in the light of circumstances.
考虑到具体情况，这将被看作是可以原谅的。

He regarded me with curiosity.
他好奇地凝视着我。