引发，激起：通过提供必要的条件来启动某事。
spark off //
动词 to bring into being or action; activate or initiate 导致; 启动; 着手
to spark off an argument
...stand by)... space out留间隔，把…拉开距离... spark off导致， 为…的直接原... speak out毫无保留地说出...
... trip 旅行 spark off 使爆炸 touch off 草草写(发射...
The film you have watched can spark off a new idea.
你看过的电影能激发新的想法。
I don't want to talk to her because it will only spark off a row.
我不想同她说话，因为那只会引起争吵。
I do not want to talk to her because it will only spark off a row.
我不想同她说话，因为那只会引起争吵。
The assassination of Austria's Archduke Franz Ferdinand in the city of Sarajevo was the spark that set off the explosion.
VOA : special.2010.10.07
It all sort of depends on how you hit it off with somebody, whether there's a spark.
这要看你是不是跟那个人合得来，能不能擦出火花。
SpeakingMax英语口语达人 : 跟校友们的关系
Mr Watts's retirement will spark off one of the fiercest congressional battles in the country.
Asking acquaintances where they are from is sure to spark off conversation just be prepared for a ten-minute rhapsody on the virtues of western Kansas.
If the Bank decides that the minimum wage will spark off claims for higher pay from better-paid workers, it may push up interest rates.