English version

touch something ↔ off

From Longman Dictionary of Contemporary Englishtouch something ↔ off phrasal verbSTART something/MAKE something STARTto cause a difficult situation or violent events to begin It was these national rivalries that eventually touched off the First World War. touch→ See Verb table
Examples from the Corpus
touch offBut this was just a shrewd touch that came off.An incident with a couple of heavy-handed cops touched it off, and the riot was on.
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Verb table
touch
Simple Form
Present
I, you, we, theytouch
he, she, ittouches
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Past
I, you, he, she, it, we, theytouched
Present perfect
I, you, we, theyhave touched
he, she, ithas touched
Past perfect
I, you, he, she, it, we, theyhad touched
Future
I, you, he, she, it, we, theywill touch
Future perfect
I, you, he, she, it, we, theywill have touched
> View Less
Continuous Form
Present
Iam touching
he, she, itis touching
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you, we, theyare touching
Past
I, he, she, itwas touching
you, we, theywere touching
Present perfect
I, you, we, theyhave been touching
he, she, ithas been touching
Past perfect
I, you, he, she, it, we, theyhad been touching
Future
I, you, he, she, it, we, theywill be touching
Future perfect
I, you, he, she, it, we, theywill have been touching
> View Less