“你一定认为他们是警察”怎么翻译
问题描述：
“你一定认为他们是警察”怎么翻译
“你当时一定认为他们是警察”怎么翻译
You must have thought them as policemen at that time.行不行?
答
不行.think 不能和as 连用
You must have thought them 【to be (可以省略）】 policemen at that time