マスキング
abstract
background
boss
bound
business
businessman
captive
censored
commerce
duct
executive
fear
free
freedom
gag
gagged
gray
held
hostage
inhibit
man
mask
masking tape paper
mute
muzzle
office
oppose
opposition
outspoken
press
prevent
prisoner
punish
quiet
rebel
secret
silence
silent
silver
speak
speech
sweater
tape
unhappy
white
work
worker
young