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

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
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.
Did you ever wish you could read someone's mind? Well, with a little help from mathematics, you can.
"You cannot read someone's mind," said Bahader, who, like many Afghans, uses only one name.
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.
To a large extent it is becoming possible to read someone's mind by observing his or her brain activity.