2. A good teacher knows how to turn a boring lesson into a fun activity. ����ʦ֪����ν�һ����Ȥ�Ŀα��һ����Ȥ�Ļ��
3. After his boring speech for over an hour, the fatuous speaker waited for applause from the audience. ��һ��Сʱ��ζ���ݽ�֮���������ݽ����ڴ������ڵ�������
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n.
1. the act of drilling
2. the act of drilling a hole in the earth in the hope of producing petroleum adj.
1. so lacking in interest as to cause mental weariness