Welche Bedeutung steckt hinter der hier vorgestellten Vokabel aus dem Bereich Negotiating?

Joe: 'So are you in agreement with our terms and conditions?' Mario: 'I have to say this: you drive a very hard bargain. I have a suggestion regarding point 5.1 of this contract, but the rest is acceptable.'

to drive a hard bargain

Do you know what it means?

• to be a long-distance lorry driver
• to be a tough negotiator
• to be extremely fit