Definition (想法)
To believe something is true, especially when it is not actually the case.
誤以為
I was under the impression that you had already finished the report.
我以為你已經完成了報告。
She was under the impression that the meeting would start late.
她以為會議會晚點開始。
We were all under the impression that the restaurant was closed.
我們都以為餐廳已經關門了。