n.縱火犯
This looks like the handiwork of an arsonist. 這看上去像是縱火犯干的。
The next day, the arsonist was arrested at a gymnasium. 第二天,縱火犯在一家體育館被逮捕了。
To make a fire are the disturbing habit which arsonist have in common. 縱火犯通常都有制造火災這個讓人無比煩惱的愛好。