buy someone off
phrasal verb with buy verb uk/baɪ/ us/baɪ/ bought | bought
买通，贿赂
to pay someone so that they do not cause you any trouble
They tried to buy the guard at the bank off but he told the police and the gang was arrested. 那伙人试图买通银行的保安，但保安报了警，于是他们都被抓了起来。