How to Memorize

keep someone in the dark about something

Analysis

To keep someone 'in the dark' about something means to leave them uninformed or to avoid telling them something. This expression usually has a negative connotation as it implies the willingness to keep a secret from someone or to stop someone finding out about something.

Social Examples (Basic)

1. The hospital is keeping Luke in the dark about his friend's condition until they have run further tests.
2. Don't ask me what she's up to, I'm as much in the dark about it as you are. She is keeping everything very hush-hush.

Professional Examples (Basic)

1. Staff were kept totally in the dark about plans to sell the company due to the Board's decision to keep everyone out of the loop until a deal had been agreed. 
2. I don't like being kept in the dark when it comes to decisions that affect my team.

Further Suggestions