成语故事：为虎作伥 Idiom Story:

为什么伥鬼会心甘情愿地为杀害自己的老虎服务？好像不可理解。但现实生活中人们却看到很多为虎作伥的家伙。孩子们应该知道，就有这么一批帮助坏人害人的人，这种人就像伥鬼一样，是最令人鄙视的。

Why would a spirit willingly serve the tiger that killed it? It seems incomprehensible. In real life, however, there are many people who serve as accomplices to evildoers. Children should be aware that there is a group of people who help bad people to harm others, and these people are just as despicable as ghost accomplices.