1.   Now turn up the heat and the white gets tough, its albumin congealing quickly and unpleasantly, pocked with bubbles.

2.   So you know when the going gets tough this season, this Bruins team is going to be ducking.

3.   When the going gets tough, some men fold, some turn to the bottle and others wallow in self-pity.

4.   A former Antioquia governor, Uribe has campaigned on a get tough with the rebels platform.