1. The impudent boy made faces at the teacher. �����ĺ��Ӿ�Ȼ����ʦ��ɫ����
2. The impudent boys put their tongues out at us. ��Щ����Ƥ���к���������������ͷ��
3. There must be a secret behind this, let the impudent persons slump into their self-designed shackles. �ⱳ��һ����һ�����أ���������Щ��֮ͽ�����Լ����Լ���Ƶ������С�
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adj.
1. marked by casual disrespect
2. improperly forward or bold