rip somebody off:to cheat somebody, by making them pay too much, by selling them something of poor quality, etc. 敲诈;讹诈
Tourists complain of being ripped off by local cab drivers. 游客们抱怨被当地的出租车司机敲了竹杠.
soak:to obtain a lot of money from somebody by making them pay very high taxes or prices 向(某人)敲竹杠;宰(某人);向(某人)征收重税
He was accused of soaking his clients. 他被指控向客户敲竹杠.
gouge:to force somebody to pay an unfairly high price for something; to raise prices unfairly 敲(某人)的竹杠;诈骗钱财;漫天要价
Price gouging is widespread. 漫天要价的情况普遍存在.