touch off

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Louis - appeared Sunday in San Diego at the world premiere of ``Stealth,'' a movie about a rogue drone that threatens to touch off a war after being struck by lightning.
There are a lot of other musicians more acclaimed than Chet, but when you can touch off sadness in someone, you're touching them in a very deep way.
hockey team was reunited to conclude the torch relay and touch off the Olympic caldron that will burn through Feb.