hood·lum
noun/ˈhuːdləm/
/ˈhʊdləm/
(informal)- (also slang hood especially in North American English)a violent criminal, especially one who is part of a gang
暴徒，恶棍（尤指团伙成员） - a violent and noisy young man
小阿飞；小流氓
Word Originlate 19th cent. (originally US): of unknown origin.