为(某事)拼命讨价还价

drive a bargain draw a veil over sth. hard bargain bind sb. over to do sth. A bargain's a bargain. put a stop to sth. be a fool to sth. put a period to sth. a hard row to hoe a hard nut to crack set up a claim to sth. make a present of sth. to sb. haggle over a bargain to strike a bargain to bargain on doing sth turn sth over to hard bargain draw a veil over sth draw a veil over sth. A bargain's a bargain a hard row to hoe a hard nut to crack bind sb. over to do sth.