1.   Celtic have lost only once this season and will be a tough nut to crack.

2.   Daytime television is a tough nut to crack.

3.   Shearer, a tough nut not inclined to whinge, said his ankle was like a pudding.

4.   West Ham will be a tough nut to crack especially with big Lee in good form at the moment.

5.   Tough nut again on Saturday at Norwich.

6.   The first, the tough nut Leah is a virgin with a phenomenal sex drive.

7.   And he is a tough nut to crack.

8.   Another lesson, so clearly demonstrated this week, is that diplomacy alone cannot crack tough nuts like Saddam Hussein.

9.   But the local phone business is proving a tough nut to crack for even the largest and best financed cable companies.