1. 没礼貌的：bad 劣质的 | bad-mannered 没礼貌的 | bad-mouth 苛刻批评
2. (态度恶劣的)：adolescent(妙龄的) | bad-mannered(态度恶劣的) | bright-eyed(明眸善睐的)
adj
1. socially incorrect in behavior
e.g. resentment flared at such an unmannered intrusion
Synonym: ill-mannered rude unmannered unmannerly