1. They underestimated the enemy's strength. ���ǵ��˵��˵�������
2. Never underestimate the power of love. ��Զ��Ҫ������������
3. Never underestimate the power of denial. ��Զ��Ҫ�����ϵ�������
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n.
1. an estimation that is too low; an estimate that is less than the true or actual value
2. assign too low a value to
3. make a deliberately low estimate
4. make too low an estimate of