acknowledge: implies the disclosing of something that has been or might be concealed: ~d a lie.


admit: stresses reluctance to disclose, grant, or concede and refers usually to facts rather than their implications: ~ted that the project was over budget.


own: implies acknowledging something in close relation to oneself: must ~ that I know little about computers.    (close relation紧密相关)


avow: implies boldly declaring what one might be expected to be silent about: ~ed hostility toward his parents.


confess: may apply to an admission of a weakness, failure, omission, or guilt: ~ed that she had a weakness for sweets.


acknowledge承认: 表示透露之前隐藏的或试图隐藏的，admit承认:  强调不愿承认透露给予，通常指事实而非其影响，own承认: 表示承认和自己相关，avow公开承认: 表示大胆公开承认一般人不会公开承认的 ，confess承认、认罪: 指承认自己软弱失败疏忽有罪

记忆方法: 1) 首字母重组成AOAAC，是As Oafish As A Child像孩子一样粗钝无礼的首字母<==承认    (oafish鲁钝无礼impolite, clumsy, or aggressive, especially of a man or boy，如the bodyguards, as usual, were brave but oafish这些保镖照旧勇敢但鲁钝无礼)

              2) 承认的意思是违背意愿透露mean to disclose against one's will or inclination.首字母重组成AOAAC，是As Oafish As A Child像孩子一样粗钝无礼的首字母<==承认   (disclose透露，常暗示之前是保密的often suggests imparting of something previously kept secret，如candidates must disclose their financial assets竞选人必须透露金融资产）