in the dark
成語所屬單字dark
in the dark — 慣用語
1. not knowing about something that other people know; having no information about
1.慣用語
釋義
被蒙在鼓裡；一無所知
not knowing about something that other people know; having no information about a situation
例句
The employees were kept in the dark about the company's financial troubles.
Ravindra was completely in the dark regarding his friend's plans to move abroad.