read someone's mind

read (one's) mind

To know what one is thinking. You read my mind—that's exactly where I want to go to dinner! I'm sorry, but I can't read your mind. You need to tell me these things.
See also: mind, read
Farlex Dictionary of Idioms.

read someone's mind

Discern what someone is thinking or feeling, as in He often finished her sentences for her, almost as though he could read her mind. [Late 1800s]
See also: mind, read
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • read (one's) mind
  • read mind
  • read somebody's mind/thoughts
  • have (one's) mind on other things
  • have your mind on other things
  • make mind up
  • make up (one's) mind
  • make up one's mind
  • make up your mind
  • Make your mind up
References in periodicals archive
It also has a unique feature which is among the best feature, the ability to read someone's mind. LG G Flex 2 will upgrade the screen resolution, which was originally at 720p.
LG G Flex 2 to Arrive in 2015 With a 'Unique Mystery Feature'
Did you ever wish you could read someone's mind? Well, with a little help from mathematics, you can.
Guess your friend's birthday
"You cannot read someone's mind," said Bahader, who, like many Afghans, uses only one name.
Auburn man among 9 killed in Kabul; Afghan officer goes on violent rampage
BILL With all the technology, there's still nothing that helps you read someone's mind. Don't stew over what you said or didn't say.
Boy shopping
To a large extent it is becoming possible to read someone's mind by observing his or her brain activity.
The Science of Reading Minds