Question

in_the_loop_532 a person who doesn’t hide anything about himself or herself; a person’s life (sentence 1) or mind in which nothing is hidden The expression suggests that a person who is an open book is easy to “read” or understand.

Accepted Answer

OPEN BOOK Cindy hides nothing about how she spends her time. Her life is an open book.James and John are as different as night and day. James is an open book, but John is very secretive.

Id	in_the_loop_532
Idiom	OPEN BOOK
Definition	a person who doesn’t hide anything about himself or herself; a person’s life (sentence 1) or mind in which nothing is hidden
Examples	Cindy hides nothing about how she spends her time. Her life is an open book. James and John are as different as night and day. James is an open book, but John is very secretive.
Extra Info	The expression suggests that a person who is an open book is easy to “read” or understand.

Open Book Person Life James John Loop Doesn’t