essere un libro aperto
Marco è un libro aperto, non sa nascondere i suoi sentimenti.
Marco is an open book; he can't hide his feelings.
to be very open and transparent about one's thoughts, feelings, or intentions
Non mentire mai: lei è un libro aperto, tutti sanno cosa prova.
Never lie: she’s an open book; everyone knows how she feels.
Il politico, purtroppo, non è un libro aperto: nasconde troppe cose.
Unfortunately, the politician isn’t an open book; he hides too much.
Often used to describe someone who is emotionally transparent or lacks secrets.
Collocations
Related Phrases
Pro Tip
Context matters
Use 'essere un libro aperto' to describe someone who is emotionally transparent, but avoid it for people who are merely talkative or gossipy.
Gold Rule
Idiom vs. Literal
Never interpret this phrase literally. It does not refer to an actual open book but to someone's openness.
Word Origin
The phrase combines 'essere' (to be) with 'libro aperto' (open book), metaphorically describing someone whose thoughts or feelings are as visible as the pages of an open book.
Usage Notes
Primarily used in informal contexts to describe people. Avoid using it in formal or professional settings unless describing a very casual relationship.