1. He was shrewd in his personal assessments. �����ܶ����������������ۡ�
2. He was too shrewd to believe that it must exist. �����Dz���������������һ������ڡ�
3. He was a shrewd and wealthy businessman, but most people in the town hardly knew anything about this side of his life. ���Ǹ��������е����ˣ������ϴ��˶��������е���һ���漸��һ����֪��
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adj.
1. marked by practical hardheaded intelligence
2. used of persons