rip someone off
phrasal verb with rip verb uk/rɪp/ us/rɪp/ -pp-
informal
C2 讹诈(某人);敲(某人)竹杠
to cheat someone by making them pay too much money for something
Bob's tickets cost much less than ours - I think we've been ripped off. 鲍勃买的票比我们的便宜多了——我觉得我们被人敲了竹杠。