Buy...
buy out - comprar a parte do sócio
buy time - ganhar tempo
buy a pig in a poke - comprar algo no escuro, sem saber do real estado
buy into - acreditar sinceramente em, passar a ter interesse por
buy lunch, dinner, etc - pagar o almoço, o jantar (para alguém)
buy off (someone) - subornar ( The businessman tried to buy off the officer and got arrested.)
