"当作" (dāng zuò) 在英文中常用短语 "to treat (something) as (something else)" 来表示。这个短语指的是将一件事情看作另外一件事情。

来源：这个短语来自英语动词 "treat" 和介词 "as" 的结合。"Treat" 意为 "对待"， "as" 意为 "作为"。

例句：

I treated the broken vase as if it were a valuable antique. (我把破花瓶当作珍贵古董来对待。)
She treated him as a friend, but he had different feepngs for her. (她把他当作朋友，但他对她有不同的感觉。)
They treated the incident as a minor problem and didn't take any action. (他们把这件事当作小问题，没有采取任何行动。)