1. Be careful not to break anything. С�ĵ㣬�����ʲô������
2. Be careful when you cross the road. ����ᴩ��·ʱһ��ҪС�ġ�
3. Be careful when driving on the freeway. �ڸ��ٹ�·�Ͽ���ҪС�ĵ㡣
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adj.
1. exercising caution or showing care or attention
2. cautiously attentive
3. with care and dignity
4. full of cares or anxiety
5. mindful of the future in spending money