keep one's distance
keep oneself to oneself
hold one's peace
keep mum
hold one's tongue
keep to oneself
sing small
silence
get off of someone's cloud
natter
to oneself
omissive
cut out
get off someone's back
break the ice
cut someone cold
shut one's gob
inconspicuously
shut one's face
unattendedly
give the time of day
shut one's trap
shut one's mouth
avoid
ostracize
button one's lip
save one's breath
talk out of
aloof
pipe down
unreverently
chitter-chatter
forbear
evasive
ostracise
talk cock
chit-chat
listen in
mince words
renounce
forgo
fashy
silent treatment
make strange
flap one's gums
xa lánh
antisocial
rame
listen with half an ear
dissemble
nonsocially
discretion is the better part of valour
guard one's tongue
inattentiveness
lay off
pass unnoticed
knock it off
put a sock in it
give the go-by
bleh
slip away
erase
aloofly
backchannel
keep quiet
hold one's fire
dry up
deter
zip one's lip
unamusement
spit it out
absently
keep one's head down
moony
button it
keep across
whore around
save one's breath to cool one's porridge
unmentionable
reticence
abstain
incessantly
refrain
leave alone
turn a blind eye
preach in the desert
nonconfrontation
put aside
round
keep one's mouth shut
make oneself scarce
refraining
keep one's lips sealed
nod through
hide one's light under a bushel
play fast and loose
invisiblize