動詞 touch off:

1. put in motion or move to act
   同義詞：trip, actuate, trigger, activate, set off, spark off, spark, trigger off

1. A spark touched off the gunpowder.
   一粒火星引起了火藥爆炸。
2. Some slight incident may touch off a major war.
   某個小事件可能會引發(fā)大戰(zhàn)爭。
3. The remark touched off a heated controversy.
   這句話引起了熱烈的爭論。
4. Michael's comments touched off a discussion about religion.
   邁克爾的評論引起了關(guān)于宗教的討論。