引燃

引燃	yǐn rán	to ignite / to start (a fire) / (fig.) to spark (debate, conflict etc)
引	yǐn	to draw (e.g. a bow) / to pull / to stretch sth / to extend / to lengthen / to involve or implicate in / to attract / to lead / to guide / to leave / to provide evidence or justification for / old unit of distance equal to 10 丈, one-thirtieth of a km or 33.33 meters
燃	rán	to burn / to ignite / to light / fig. to spark off (hopes) / to start (debate) / to raise (hopes)