Indeed, guerrilla doctrine would hold that the fighters should slip away rather than stand toe-to-toe against superior forces.

Military officials have expressed concerns that non-Afghan fighters are slipping out of Northern Alliance-held territory to regroup and possibly form guerrilla units.

American commanders say, though, that some weapons and fighters are still slipping through the notoriously porous borders.

The ship rocked again as a fighter slipped through the phaser barrage and fired into the primary hull's underbelly.

WHEN darkness falls, Kalashnikov-toting Iraqi Shia fighters slip home across the border from safe havens in Iran.

The two fighters slipped by the dodging dragons, slipping even closer to the descending scout ships.

A scarlet pool spread out on the flagstones, so that the fighters slipped and staggered in it.

In recent weeks there have been several reported incidents in which Muslim fighters evidently slipped out of the enclaves to raid Serb targets.

By London prize-ring rules a knockdown ended a round, although a fighter could be thrown down or could slip.

By week's end, none had been found, and there were reports that the fighters had slipped back across the border into Afghanistan.