贼

thief / traitor / wily / deceitful / evil / extremely

surname Rong

generic term for weapons (old) / army (matters) / military affairs

cowrie / shellfish / currency (archaic)

cuttlefish

traitor

traitor to the nation

squid

renegade / traitor

a traitor / a treacherous bandit

vampire squid (Vampyroteuthis infernalis)

lit. in the presence of a monk, insult another monk, calling him a bald-headed bandit (idiom) / fig. to insult indirectly / to criticize obliquely

brigand

habitual thief

to catch a thief

to defeat the enemy by capturing their chief (idiom)

tyrant and oppressor of the people (idiom); traitorous dictator

to catch a thief by closing his escape route (idiom)

lit. to board a pirate ship (idiom) / fig. to associate with criminals

much worse than having something stolen is when a thief has you in his sights (idiom)

(bird species of China) pomarine skua (Stercorarius pomarinus)

rebels and traitors (idiom) / general term for scoundrel

to be a thief

to feel guilty as a thief (idiom); to have sth on one's conscience