He keeps his cards close to his chest about his new project.
keep one's cards close to one's chest
idiomTo avoid revealing one's thoughts, circumstances, or plans.
Origin
disputed originThe figurative sense is a self-evident extension from the literal sense.
The candidate kept his cards close to his chest during the interview, refusing to discuss his salary expectations until he received an official offer.
In the high-stakes world of corporate negotiations, the lead lawyer preferred to keep her cards close to her chest, revealing her strategy only when the moment was most advantageous.
- 01
abound in one's own sense
To follow one’s own inclinations and opinions.
- 02
ace up one's sleeve
A surprise advantage of which others are not aware.
- 03
act one's age
To behave in a manner appropriate to one's age.
- 04
act one's age, not one's shoe size
Synonym of act one's age (“to behave in a mature manner; to avoid being childish”).
- 05
afraid of one's own shadow
Exceptionally timid.
- 06
air one's dirty laundry in public
To reveal one's sordid secrets to the public.
- 07
air one's dirty linen in public
Synonym of air one's dirty laundry in public.
- 08
albatross around one's neck
A characteristic, possession, associate, or previous deed that hinders one's ability to succeed.