impolite,

(形容词) 有礼貌的,客气的;文雅的;上流的;优雅的 [反义词]:impolite
drop litter everywhere spit everywhere bad behaviors or impolite
it's impolite to knock your empty bowl with your chopsticks.
【预订】more goops and how not to be them: a
客人,宾客 host n.主人;主持 above all 首要的是 impolite adj.