touch off

Verb

 * 1)  To start (something); to set off traps; especially used for unstable situations that may magnify if disturbed.
 * Be cautious talking about religion or politics, lest you touch off an argument.
 * 1)  To cause a fire to start.
 * A spark touched off the conflagration.

Translations

 * French:
 * German:
 * Portuguese:
 * Spanish: