ドラマチック
劇的
barb
barbed
barrier
border
boundary
cage
camp
closed
concentration
concept
danger
dangerous
defense
escape
fear
fence
forbidden
freedom
frontier
gaol
guard
hand
hazardous
hope
immigration
imprisoned
imprisonment
line
metal
net
obstacle
obstruction
peril
prison
prisoner
protect
protection
protective
punishment
safety
secure
security
separation
unsafe
wall
warning
wire
zone