to eavesdrop; to wiretap

tapping device; bug

to steal (usu. private information, intellectual property etc)

thief

(idiom) to whisper; to speak in whispers

to be secretly delighted

in a whisper; in stealthy tones

suspected thief (Tw)

to steal secret information

to usurp; to claim unjustly; to expropriate

to usurp authority; to hold power improperly

theft; to steal

privately; secretly; unobtrusively

to snigger; to titter

oviraptorosaurus (egg-stealing dinosaur)

(idiom) to discuss sth quietly in private

steal the whole country and they make you a prince, steal a hook and they hang you (idiom, from Daoist classic Zhuangzi 莊子|庄子[Zhuang1 zi3])

steal a hook and they hang you, steal the whole country and they make you a prince (idiom, from Daoist classic Zhuangzi 莊子|庄子[Zhuang1 zi3])