These are all words for attention or thought that you give to sth in order to avoid mistakes or accidents.以上各词均指小心、谨慎。
careattention or thought that you give to sth that you are doing so that you will do it well and avoid mistakes or damage指小心、谨慎以做好某事，同时避免出现错误或损失：◆She chose her words with care.她措辞谨慎。
cautioncare that you take in order to avoid danger or mistakes; not taking any risks指小心、谨慎，以免发生危险或错误：◆The utmost caution must be exercised when handling explosives.处理爆炸品一定要慎之又慎。
prudence(ratherformal) being sensible and careful when you make judgements and decisions; avoiding unnecessary risks指判断和决策时谨慎、慎重，处事时避免不必要的风险：◆As a matter of prudence, keep a record of all your financial transactions.为慎重起见，请记下你所有的财务往来。NOTEPrudence is used particularly in financial contexts. * prudence 尤用于金融、财务语境。