1. He employed a detective to shadow his wife. ��������һ��˽����̽ȥ�������˵��ҡ�
2. She often sits alone in the shadow. ��ʱ������һ����������
3. Shadow at its defaults. Ӱ������Ĭ��ֵ��
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n.
1. shade within clear boundaries
2. an unilluminated area
3. something existing in perception only
4. a premonition of something adverse
5. an indication that something has been present
6. refuge from danger or observation
7. a dominating and pervasive presence
8. a spy employed to follow someone and report their movements
9. an inseparable companion v.
1. follow, usually without the person's knowledge
2. cast a shadow over
3. make appear small by comparison