1. I have seldom seen such rude behaviour. 我很少见到这种粗野的行为。
2. It is rude to quarrel with your parents! 和父母亲争吵是一件粗鲁的事情!
3. My mother does not support rude behavior. 我妈妈不能忍受粗鲁的行为。
英英解释
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