on purpose和at fault的用法上的区别.要详细点的.

问题描述:

on purpose和at fault的用法上的区别.
要详细点的.

At fault 是出差错,有毛病。{一般为 to be at fault }
而 on purpose 收尾使用 故意的意思

At fault 表示 in the wrong,at a loss ( 出错,茫然 ) .比如:My memory was at fault.( 我记错了;我忘记了 )On purpose 的意思是 “有意地,故意地”:If you joke with him he'll think you are insulting him...