敲诈勒索: blackmail and impose exactions on; carry out extortion; exact extortionate prices; extort and racketeer; extort money by [under] false pretenses; extort money from sb.; force sb. to pay by
诈骗: defraud; swindle 短语和例子诈骗财物 defraud money and property; 诈骗犯 swindler; 诈骗者 defrauder; 诈骗罪 crime of fraud