当作的英文：
treat as
regard as

参考例句：

Refer to ...as
把...称作,把...当作

The property was pledged as security for loans.
这地产被当作贷款的抵押。

He treats his wife like a slave.
他把妻子当作奴隶看待。

This plant is a staple in Hawaii.
这种植物在夏威夷被用来当作主食。

Employers give red packets to their employees as a year-end bonus.
雇主发红包给他们的员工当作年终奖金。

A woman regarded as coarse and shrewishly abusive.
泼妇被当作粗野、彪悍的骂街妇的女人

The Trojans thought that the Greeks had given up and left the horse as a gift.
特洛伊人认为希腊人放弃了攻城并留下木马当作礼物。

For all who knew him, "Ask Herman" became a byword
凡是认识他的人都把“问赫尔曼”当作一句口头禅。

The artless woman had made a confidant of the boy
这个心地单纯的女人把孩子当作心腹朋友。

You can draw on me just as if there were a letter of credit.
您就当作有信用证一样,向我开汇票托收。

treat是什么意思：
v. 对待；看待；医治；处理；探讨；请客
n. 款待；乐趣

Treat other people as you hope they will treat you. —— Aesop
你希望别人如何对待你，你就如何对待别人。——伊索

He was treated with great rigor.
他受到极为苛刻的待遇。

Whose turn is it to treat next?
下次该谁请客了？

treated, coated, or impregnated with rubber.
用橡胶处理，涂上或注入橡胶。

heat treating oil
热处理用油

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。