古今中外的人对狗的bark和bite肯定印象特别深刻，否则不会拿这两样来比喻人的行为。这个短语指的是一个人尽管骂人刻薄，出言厉害，但不会真正去伤害别人。
eg: My boss is actually a good guy. His bark is worse than his bite. 我老板其实是个好人，他呀，刀子嘴豆腐心。
