1. to attempt an impossible task ��ͼ���һ����ܵ�����
2. It is Ը�Ⳣ�Ժ���Ӧ�µĻ����������DZ�Ҫ�ġ�
3. Attempt to convert data stopped by syntax error in source field. ����ת��Դ�ֶ�����������ֹͣ�����ݡ�
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n.
1. earnest and conscientious activity intended to do or accomplish something
2. the act of attacking v.
1. make an effort or attempt
2. enter upon an activity or enterprise