to keep one's plans or ideas secret
garder ses projets ou idées secrets (garder ses projets ou idées secrets)
"He always plays his cards close to his chest in business."
"il joue toujours ses cartes près de sa poitrine dans les affaires" (il joue toujours **ses cartes près de sa poitrine** dans les affaires)
to stay positive and not lose hope in difficult situations
to be the first to do something or lead the way
to examine a story or issue from every perspective
to feel encouraged or more confident
to be very brave and calm under pressure
From a particular perspective or point of view