breast one's cards
restrict
relieve
unbosom
leave to the imagination
keep
tell all
screen
be not to know
hush up
keep one's mouth shut
keep quiet
shut one's mouth
conceal
secret
keep to oneself
oversight
give away
blackwash
cover-up
information hiding
tergiversate
prevaricate
equivocate
under the radar
beat around the bush
palter
keep one's cards close to one's chest
keep from
data hiding
spare someone the details
suppressed
stifle
strangle
muffle
repress
smother
draw out
leak out
hiss-and-tell
secretive
closelipped
closemouthed
befog
close
telltale
tightlipped
unlearn
giveaway
encryption