persuade & convince 两者都表示“说服”、“劝服”.在用法上有所不同.
convince用作及物动词,主要意思是“使信服”、“使确信”,指通过讲道理、摆事实使人在理性上对问题具有认识或表示信服,后面可跟从句,of 引起的短语,人称代词和名词.例如：
She convinced me that her father was innocent.她使我确信她父亲是无辜的.
I convinced him of her honesty.我使他相信她是诚实的.
I am convinced of his mistake.我确信他是错的.=I am convinced that he is mistaken.
persuade也用作及物动词,主要意思有“说服”、“劝服”、“使某人相信”,主要强调用说明、恳求、诱导等方式影响一个人的感情或愿望,着重通过说服某人不仅在思想上接受,而且付诸于行动.例如：
I persuaded him of my innocence.=I persuaded him that I was innocent.
我说服他相信我是无辜的.
I persuaded him to stop smoking.我劝服他戒烟.=I persuaded him out of smoking.
Try to persuade him to let us go with him.试着说服他让我们跟他去.