Colleagues squeamish about the possibility of hurting a fellow employee may take courage from one well-established pattern: The last place alcohol affects is the job.

From the first move, both players must devise original strategies and cannot use well-established patterns.

The mass executions followed a well-established pattern.

Rather, they were part of a well-established pattern of Saudi diplomacy that can be traced through the last four Administrations.

This well-established pattern, however, was notably broken in 2006 with Finnish hard rock band Lordi's victory.

It was obvious that they were following in well-established patterns.

The Claverack operation began in 1987, following a well-established pattern of movement into the Hudson Valley.

There is a well-established pattern of independent-mindedness among the heirs.

Moreover there is a well-established pattern of gender-differentiated criminal behaviour.

"The gap is wider than average, but it follows a well-established pattern," he said.