drive a hard bargain

:  to frighten or prod (game, cattle, etc.) into moving in a desired direction

:  to go through (an area) driving game animals

:  to carry on or through energetically

:  an act of driving:

:  a trip in a carriage or automobile

:  an instance of collecting and moving animals (such as game or cattle) together in a desired direction

:  not easily penetrated :  not easily yielding to pressure

:  not capable of being spread :  very firm

:  having a harsh or acid taste

:  with great or utmost effort or energy :  strenuously

:  in a violent manner :  fiercely

:  to an immoderate degree

:  an agreement between parties settling what each gives or receives in a transaction between them or what course of action or policy each pursues in respect to the other

:  something acquired by or as if by negotiating over the terms of a purchase, agreement, or contract

:  an advantageous purchase

:  to negotiate over the terms of a purchase, agreement, or contract :  haggle

:  to come to terms :  agree

:  to bring to a desired level by bargaining