1. I have seldom seen such rude behaviour. �Һ��ټ������ִ�Ұ����Ϊ��
2. It is rude to quarrel with your parents! ��ĸ��������һ����³�����飡
3. My mother does not support rude behavior. �����費�����ܴ�³����Ϊ��
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adj.
1. socially incorrect in behavior
2. (of persons) lacking in refinement or grace
3. lacking civility or good manners
4. (used especially of commodities) being unprocessed or manufactured using only simple or minimal proc
5. belonging to an early stage of technical development; characterized by simplicity and (often) cruden