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to spark off
[phrase form: spark]
01
引发, 激发
to start an action or reaction
Example
His speech unintentionally sparked off a heated debate among the participants.
他的演讲无意中引发了参与者之间的一场激烈辩论。
The news report sparked off a series of investigations into the alleged corruption.
这则新闻报道引发了一系列对涉嫌腐败的调查。
