71.   Keeping their business can be as hard as winning it.

72.   Liquids like mercury freeze as hard as lead, balloons shrivel to small prunes and rubber balls shatter when dropped.

73.   Like our field in Denver is as hard as a rock.

74.   Maintaining it turns out to be almost as hard as losing it in the first place.

75.   Lo and behold, they became hard as rocks.

76.   Minerals are deposited in the bone so abnormally that the bone becomes as hard as ivory in some patients.

77.   Muscles hard as oak knots, pantherlike in sleekness and power?

78.   New York is as hard as granite, and as unforgiving.

79.   Not having a lot of shots can be just as hard as having a lot of shots.

80.   Not even death is as hard as frost in the ground.