bad manners編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看bad mannersbad manners — 名詞名詞1. behavior that is not polite or socially acceptable1.名詞釋義沒禮貌behavior that is not polite or socially acceptable例句It is considered bad manners to talk with your mouth full.