A usually rational person can be transformed suddenly into a demon behind a driving wheel once his impatience and selfishness gets the better of him, he becomes recklessly indifferent to the traffic rules and safety of others just to get his own way.

• 不过，在失去耐心和自私心里作祟下，一些司机可能突然完全失控而变得鲁莽，只顾自己的方便，无视交通规则和他人的安全。