兔死狐悲

tù sǐ hú bēi wù shāng qí lèi

兔死狐悲，物伤其类。

Things feel for their own kind, just as a fox feels sorrow for a rabbit's death.

tù sǐ hú bēi zhè ge chéng yǔ biǎo shì duì tóng lèi de sǐ wáng huò bù xìng de shāng xīn

“兔死狐悲”这个成语表示对同类的死亡或不幸的伤心。

The idiom "the fox is sad at the death of the hare" illustrates one feels sad for the death or misfortunes of his companions.