Keep one's cards close to the vest

Keep one's cards close to the vest
Keep one's cards close to the chest / Play it close to one's chest / Play one's cards close to one's chest / Keep it close to the vest

Non scoprire le proprie carte 
Mantenere uno stretto riserbo / Mantenere qualcosa segreto

Non scoprire le proprie carte
Keep one's cards close to the chest / Play it close to one's chest / Play one's cards close to one's chest / Keep it close to the vest

Non scoprire le proprie carte 
Mantenere uno stretto riserbo / Mantenere qualcosa segreto

Non scoprire le proprie carte
Meanings
Fig.: to be very secretive. To keep one's plans, ideas, thoughts, hidden from other people
Examples
Don't let him know what you are up to. Play your cards close to your chest
Non fargli capire che cosa hai in mente di fare. Non scoprire le tue carte
I didn't disclose our plans right away because I thought there was benefit in playing our cards closer to our chest for a while
Non ho rivelato subito i nostri piani perché pensavo che ci sarebbe tornato utile non scoprire le nostre carte per un po'
The Pope made his decision to resign over a year ago but he played his cards awfully close to the vest and everyone was stunned today at the official announcement
Il Papa aveva già deciso di dimettersi più di un anno fa, ma ha
mantenuto uno strettissimo riserbo e tutti sono rimasti senza parole
all'annuncio ufficiale odierno
We have no idea what tactics the coach will adopt in the upcoming crucial game. He's keeping his cards close to his chest and is careful not to give away even the slightest clue
Non abbiamo idea della tattica che l'allenatore adotterà nella prossima
fondamentale partita perché non scopre assolutamente le proprie carte e
sta attento a non rivelare nemmeno il più piccolo indizioOrigin
When playing cards (especially poker) it's very important to keep one's cards close to the chest so nobody can take a peek and know what your play strategy will be