雨林之声
慎重carefulnesscautioncircumspectiondiscretionprudencescrupulosity谨慎be cautious tobe chary ofcautelreticencewarinesswatch one's step注意:最上面的是最佳答案,依次是次好答案
hyacinth46
careful仔细的,小心的 adj.(形容词)prudent小心的,慎重的cautious小心的,谨慎的chary同上gingerly小心翼翼的 慎重地adv.(副词)keep one's eyes peeled【以上结果来自金山词霸】