sparking

动词 spark:

1. put in motion or move to act
   同义词：trip, actuate, trigger, activate, set off, spark off, spark, trigger off, touch off
2. emit or produce sparks
   同义词：spark, sparkle

1. There was a wild spark in his eyes.
   他的两眼炯炯发光。
2. The fire is sparking dangerously.
   那堆火迸出火星，十分危险。