1. You should lose so stupid idea. ��Ӧ�ö�����ôɵ���뷨��
2. Dad: Oh because it was a stupid dream! �ְ֣�Ŷ����Ϊ����һ���������룡
3. It was a stupid war. ��һ������ս����
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n.
1. a person who is not very bright
2. lacking or marked by lack of intellectual acuity
3. in a state of mental numbness especially as resulting from shock
4. lacking intelligence