1. Life, too much frustration, too much sorrow. ������̫������Σ�̫��ġ����ˡ�
2. For every frustration , there are a hundred satisfactions. ÿһ�����ۣ����ڰٴ�����IJ�����
3. Plan on slow and steady progression, and prepare for setbacks and even frustration. ���л������ȶ��Ľ�չ�ƻ������ҶԵ��˺;�ɥ��������
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n.
1. the feeling that accompanies an experience of being thwarted in attaining your goals
2. an act of hindering someone's plans or efforts
3. a feeling of annoyance at being hindered or criticized