81. The case against Skakel was seen as a tough one for prosecutors to win, and some legal specialists were surprised at his conviction.
82. The diseases we have left are the tough ones.
83. The decision to leave the practice was a tough one, she said.
84. The effort to shore up support for a yes vote was a tough one.
85. The field was a tough one and we were ready physically and mentally.
86. The fight will be a tough one.
87. The goal is a tough one given the record that Smith Barney and other Wall Street firms have had at building money management businesses.
88. The issue has been a tough one for Congress.
89. The last three months have been tough ones for Kennedy.
90. The move was a tough one for Ducks coach Guy Charron to make because it meant sitting down popular veteran Guy Hebert.